Classifications

• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
  • A63B69/00—Training appliances or apparatus for special sports
  • A63B69/36—Training appliances or apparatus for special sports for golf
  • A63B69/3661—Mats for golf practice, e.g. mats having a simulated turf, a practice tee or a green area
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
  • A63B2209/00—Characteristics of used materials

Definitions

• the present invention relates to a golf driving mat and a golf driving mat system incorporating the same.
• the golf driving mat and golf driving mat system of the present invention are to be known as the TrueStrikeTM golf driving mat and golf driving mat system.
• golf driving mats and golf driving mat systems are used at golf ranges and golf tees, in particular during the Winter.
• the construction of existing golf driving mats is, however, such that golfers can be given an unrealistic impression of shots struck therefrom.
• a golfer hits a "clean" shot that is, a correct shot
• the resulting shot is the same as would be achieved on a natural ground surface, but where a golfer hits a "fat” shot, that is, where the club head hits the ground behind the golf ball, typically about 20 mm behind the golf ball
• the resulting shot is often an apparently good shot, instead of what should be a poor shot, as the club head re-bounds from the surface of the mat and meets the golf ball at a reasonable angle and at only a slightly reduced speed.
• the present invention provides a golf driving mat, including: a flexible member over which a golf ball is in use located to be hit by a head of a golf club; and a cavity containing a viscous material disposed beneath the flexible member, wherein the viscous material is such as to slow the head of the golf club when the head of the golf club is hit into the flexible member.
• the flexible member is formed of a ruckable material such that, when the head of the golf club is hit into the flexible member, the flexible member rucks up.
• the flexible member is formed of a resilient material.
• the flexible member is formed of a rubberised material.
• the viscous material is a gel-like material.
• the gel-like material is a gel.
• the viscous material is a syrup.
• the viscous material is a paste.
• the viscous material is a particulate material.
• the viscous material comprises a particulate material dispersed in a carrier medium.
• the carrier medium is a viscous liquid.
• the viscous liquid is an oil.
• the carrier medium is a gel.
• the particulate material comprises particles selected from at least one of the group consisting of plastic particles, metal particles and plastic-coated metal particles.
• the cavity has a depth of up to about 20 mm.
• the cavity has a depth of about 20 mm.
• the mat includes: a ball-receiving member located over the flexible member on which the golf ball is located.
• the ball-receiving member is removable.
• the ball-receiving member is formed of a resilient material.
• the ball-receiving member is formed of a fabric material.
• the ball-receiving member has a smooth surface.
• the ball-receiving member has a non-smooth surface.
• the ball-receiving member has a ribbed surface.
• the mat comprises: a receptacle including the flexible member at an upper surface thereof and defining the cavity.
• the mat further comprises: a body unit comprising a main body in which the receptacle is disposed.
• the body unit further comprises a loading mechanism for laterally inwardly loading the receptacle.
• the loading mechanism is adjustable such as to enable adjustment of the loading of the receptacle.
• the loading mechanism is configured to load a forward region of the receptacle in a direction of hitting.
• the mat further comprises: a ball-receiving unit comprising the ball-receiving member, the ball-receiving unit being attached to the main body of the body unit.
• the mat further comprises: a flattening mechanism for flattening the flexible member of the receptacle.
• the flattening mechanism comprises a smoothing unit comprising a smoothing element drivable over the flexible member to flatten the same, and a drive member for driving the smoothing element.
• the smoothing element comprises a roller.
• the smoothing element comprises a blade.
• the flattening mechanism comprises a vibration unit for vibrating the receptacle such as to cause the viscous material to settle and thereby flatten the flexible member.
• the viscous material includes magnetic particles
• the flattening mechanism comprises a magnetic field generating unit which is operable to cause the viscous material to settle and thereby flatten the flexible member.
• the magnetic field generating unit is operative during hitting of the golf ball such as to magnetize the magnetic particles and aggregate the same to confer a required viscosity to the viscous material, with the viscous material having a composition which is such that, in the absence of a magnetic field, the viscous material settles and thereby flattens the flexible member.
• the magnetic field generating unit is operable subsequent to hitting of the golf ball such as to magnetize the magnetic particles and cause the viscous material to settle and thereby flatten the flexible member.
• the flattening mechanism comprises a tensioning unit for laterally tensioning the receptacle and thereby flattening the flexible member.
• the tensioning unit comprises first and second spreader bars attached to respective sides of the receptacle, and a plurality of resilient elements for biasing the spreader bars outwardly such as to tension the receptacle.
• the spreader bars extend over substantially a full height of the respective sides of the receptacle.
• the spreader bars are attached to upper ends of the respective sides of the receptacle.
• the tensioning unit is operable by a golfer to apply an increased tensioning force to the receptacle.
• the tensioning unit comprises first and second spreader bars attached to respective sides of the receptacle, and a biasing element operable by the golfer to bias the spreader bars outwardly such as to tension the receptacle.
• the biasing element comprises a leaf spring coupled between the spreader bars.
• the present invention provides a golf driving mat system, comprising: a base unit on which a golfer stands to hit a golf shot; and the above-described mat provided to the base unit.
• the mat is removable.
• the base unit includes a recess in which the mat is in use located.
• the base unit comprises a base including first and second recesses in one of which the mat is in use located according to whether the golfer is a left-handed or right-handed golfer, and a sheet located on the base including an aperture through which the mat is presented.
• the mat is integrally formed with the base unit.
• the golf driving mat of the present invention provides a true impression of the strike of a golf ball by utilizing a viscous material to effect the speed and position of the club head in the manner as would occur if the shot were made on the natural surface of a golf course.
• the golf driving mat is configured such as to slow the club head through the golf ball where the swing path of the club head is one which would produce a "fat" shot.
• Figure 1 illustrates a perspective view of a golf driving mat system including a golf driving mat in accordance with a first embodiment of the present invention
• Figure 2 illustrates the base of the base unit of the golf driving mat of Figure 1 ;
• Figure 3 illustrates the sheet of the base unit of the golf driving mat of Figure 1 ;
• Figure 4 illustrates a first exploded perspective view of the golf driving mat of Figure 1;
• Figure 5 illustrates a second exploded perspective view of the golf driving mat of Figure 1;
• Figure 6 illustrates a fragmentary vertical sectional view through the golf driving mat of Figure 1 where a golfer makes a "clean" strike of a golf ball resting thereon
• Figure 7 illustrates a fragmentary vertical sectional view through the golf driving mat of Figure 1 where a golfer makes a "fat” strike of a golf ball resting thereon;
• Figure 8 illustrates a perspective view of a golf driving mat in accordance with a second embodiment of the present invention, illustrated with the smoothing unit in the inoperative configuration;
• Figure 9 illustrates a perspective view of the golf driving mat of Figure 8, with the smoothing unit in operation
• Figure 10 illustrates a perspective view of a golf driving mat in accordance with a third embodiment of the present invention.
• Figure 11 illustrates a perspective view of a golf driving mat in accordance with a fourth embodiment of the present invention.
• Figure 12 illustrates a first exploded perspective view of a golf driving mat in accordance with a fifth embodiment of the present invention
• Figure 13 illustrates a second exploded perspective view of the golf driving mat of Figure 12;
• Figure 14 illustrates a first exploded perspective view of a golf driving mat in accordance with a sixth embodiment of the present invention.
• Figure 15 illustrates a second exploded perspective view of the golf driving mat of Figure 14.
• FIGS 1 to 5 illustrate a golf driving mat system including a golf driving mat in accordance with a first embodiment of the present invention.
• the golf driving mat system comprises a base unit 1 on which a golfer stands to hit a golf shot, and a golf driving mat 3 which is mounted in the base unit 1 and from which golf balls are struck by a golfer.
• the base unit 1 comprises a base 5 which is located on a ground surface, and a sheet 7 which is located on the base 5 and on which a golfer stands to hit golf shots.
• the base 5 includes first and second mat recesses 9a, 9b located at respective sides thereof in which the golf driving mat 3 is selectively disposed, and a sheet recess 11 in which the sheet 7 is located, and the sheet 7 includes a clearance aperture 15 through which the golf driving mat 3 is presented, with the sheet 7 being locatable in the sheet recess 11 in one of two positions such that the clearance aperture 15 therein overlies one of the first and second mat recesses 9a, 9b.
• the golf driving mat system can be easily configured for both left-handed and right-handed golfers, with the golf driving mat 3 being located in the first mat recess 9a for use by a left-handed golfer and the second mat recess 9b for use by a right-handed golfer, and the sheet 7 being disposed such that the clearance aperture 15 therein overlies the respective one of the first and second mat recesses 9a, 9b.
• the golf driving mat 3 comprises a body unit 17, a receptacle 19 which is disposed within the body unit 17 and includes an upper, flexible member 21, a lower member 22 and a cavity 23, filled with a viscous material 25, therebetween, and an upper, ball- receiving unit 27 disposed over the flexible member 21 of the receptacle 19.
• the body unit 17 comprises a main body 29 within which the receptacle 19 is disposed, and a loading mechanism 31 for laterally loading the receptacle 19, in this embodiment at the forward end in the direction of hitting, such as to configure the receptacle 19 to simulate different ground conditions, for example, from firm to heavy turfed ground, and even sand bunkers.
• the main body 29 includes first and second anchor pins 33 a, 33b at one, the rear, end thereof in the direction of hitting to which the receptacle 19 is fixed such as to prevent movement of the receptacle 19 forwardly on hitting golf balls from the golf driving mat
• the main body 29 further includes an impact element 35 which extends along the lower surface thereof in the direction of hitting, which impact element 35 acts to provide an impact surface such that, should a golfer hit down through the receptacle 19, the golf club re-bounds from the impact element 35 without any significant jarring.
• the impact element 35 is formed of a rubberised material, preferably a rubber.
• the loading mechanism 31 comprises first and second loading units 37a, 37b, in this embodiment adjustable units for providing for adjustment of the loading, which are disposed to respective sides of the main body 29.
• Each of the loading units 37a, 37b comprises a resilient element 39a, 39b, in this embodiment a resilient strip, preferably of spring steel, which is attached at the rearward end in the direction of hitting to the main body 29 and includes a pin holder 41a, 41b at the forward end, an adjuster 43a, 43b which is slideable along the respective resilient element 39a, 39b such as to provide for adjustment of the inward deflection of the respective resilient element 39a, 39b and hence the loading provided by the respective resilient element 39a, 39b, and an anchor pin 45a, 45b which is located in the pin holder 41a, 41b of the respective resilient element 39a, 39b and attached to a respective one of the sides of the receptacle 19, in this embodiment at a forward end of the receptacle 19.
• a resilient strip preferably of spring steel
• the receptacle 19, in this embodiment an enclosed, flexible bag, is a planar rectangular member having a predetermined depth, in this embodiment of about 20 mm, such that, where filled with viscous material 25, the upper, flexible member 21 of the receptacle 19 simulates a ground surface, typically a turfed ground surface.
• the receptacle 19 is fabricated from a ruckable material, such that, when a golfer hits a "fat" shot, the flexible member 21 is rucked up, which rucking up, together with the action of the underlying viscous material 25, causes the speed of the club head to be slowed in the same manner as when hitting a "fat” shot on a turfed ground surface.
• the receptacle 19 is formed of a synthetic material, preferably polyvinyl chloride (PNC).
• PNC polyvinyl chloride
• the receptacle 19 can be formed of a rubberised material, preferably a rubber, and more preferably a synthetic rubber.
• the receptacle 19 is formed of a resilient material.
• the receptacle 19 includes first and second rear apertures 47a, 47b at the rear end thereof in which the anchor pins 33a, 33b on the main body 29 are located to fix the position of the receptacle 19 in the main body 29, and first and second forward apertures 49a, 49b at the forward end thereof in which the anchor pins 45a, 45b of the loading units 37a, 37b are located such as to fix the lateral and forward positions of the respective sides of the receptacle 19.
• the viscous material 25 is a gel, for example, an aqueous gel.
• the gel comprises a petroleum jelly.
• the viscous material 25 could be a syrup, such as a corn syrup.
• the viscous material 25 could be a paste.
• the viscous material 25 could comprise a particulate material in a carrier medium, for example, a gel or an oil, such as a silicone oil.
• the viscous material 25 could be a particulate material. Examples of particulate materials include plastic particles, metal particles and plastic-coated metal particles.
• the ball-receiving unit 27 comprises a frame 51 which is removably attached, in this embodiment by screws 54, to the main body 29 of the body unit 17, and a ball-receiving member 53 which is attached to the frame 51 and on which golf balls to be hit are located. In being removable, the ball-receiving unit 27 allows for replacement when damaged, typically through wear.
• the upper surface of the ball-receiving member 53 is a smooth surface.
• the upper surface of the ball-receiving member 53 can be a non-smooth surface, for example, a roughened or ribbed surface.
• the ball-receiving member 53 comprises a resilient material, typically a fabric material containing Lycra ® , for example Cordura ® as available from E.I. du Pont de Nemours and Company, Wilmington, US.
• a resilient material typically a fabric material containing Lycra ® , for example Cordura ® as available from E.I. du Pont de Nemours and Company, Wilmington, US.
• the golf driving mat 3 can be configured to simulate different ground conditions, from firm to heavy turfed ground, and even sand bunkers.
• a golfer is able to select between a plurality of different golf driving mats 3 which are representative of different ground conditions.
• Figures 8 and 9 illustrate a golf driving mat in accordance with a second embodiment of the present invention.
• the golf driving mat 3 of this embodiment is a modification of the above-described first embodiment, and thus, in order to avoid unnecessary duplication of description, only the differences will be described in detail, with like parts being designated by like reference signs.
• the golf driving mat 3 of this embodiment differs from that of the above-described first embodiment in comprising a flattening mechanism for flattening the flexible member 21 of the receptacle 19 after hitting golf balls therefrom.
• the present inventor has found that when golf balls are hit from the golf driving mat 3, and particularly after repeatedly hitting "fat" golf shots in succession, the flexible member 21 of the receptacle 19 can be become so uneven as to prevent the positioning of a golf ball thereon, and hence the proper operation of the golf driving mat 3.
• means for flattening the flexible member 21 of the receptacle 19 is required in order to prevent a golfer having manually to flatten the flexible member 21, typically with the palm of the hand.
• the flattening mechanism comprises a smoothing unit 59 which is actuatable by a golfer to flatten the flexible member 21 of the receptacle 19 by acting on the ball-receiving member 53 of the ball-receiving unit 27.
• the smoothing unit 59 comprises a smoothing element 61 which is driveable over the flexible member 21 of the receptacle 19 to flatten the same, and a drive member 63 for reciprocally driving the smoothing element 61 over the ball- receiving member 53 of the ball-receiving unit 27 and hence the flexible member 21.
• Figure 9 illustrates the smoothing element 61 where part driven across the flexible member 21 of the receptacle 19.
• the smoothing element 61 comprises a roller.
• the smoothing element 61 could comprise a blade, such as a flexible wiper blade.
• the drive member 63 is electrically operated.
• Figure 10 illustrates a golf driving mat in accordance with a third embodiment of the present invention.
• the golf driving mat 3 of this embodiment is a modification of the above-described first embodiment, and thus, in order to avoid unnecessary duplication of description, only the differences will be described in detail, with like parts being designated by like reference signs.
• the golf driving mat 3 of this embodiment differs from that of the above-described first embodiment in comprising a flattening mechanism for flattening the flexible member 21 of the receptacle 19 after hitting golf balls therefrom.
• the present inventor has found that when golf balls are hit from the golf driving mat 3, and particularly after repeatedly hitting "fat" golf shots in succession, the flexible member 21 of the receptacle 19 can be become so uneven as to prevent the positioning of a golf ball thereon, and hence the proper operation of the golf driving mat 3.
• means for flattening the flexible member 21 of the receptacle 19 is required in order to prevent a golfer having manually to flatten the flexible member 21, typically with the palm of the hand.
• the flattening mechanism comprises a vibration unit 65, here disposed beneath the main body 29 of the body unit 17, which is operable to vibrate the receptacle 19, and hence the filled viscous material 25, which vibration acts to cause the viscous material 25 to settle and thereby flatten the flexible member 21 of the receptacle 19.
• the vibration unit 65 comprises a plurality of ultrasonic transducers which are attached to the main body 29 of the body unit 17.
• Figure 11 illustrates a golf driving mat in accordance with a fourth embodiment of the present invention.
• the golf driving mat 3 of this embodiment is a modification of the above-described first embodiment, and thus, in order to avoid unnecessary duplication of description, only the differences will be described in detail, with like parts being designated by like reference signs.
• the golf driving mat 3 of this embodiment differs from that of the above-described first embodiment in comprising a flattening mechanism for flattening the flexible member 21 of the receptacle 19 after hitting golf balls therefrom.
• the present inventor has found that when golf balls are hit from the golf driving mat 3, and particularly after repeatedly hitting "fat" golf shots in succession, the flexible member 21 of the receptacle 19 can be become so uneven as to prevent the positioning of a golf ball thereon, and hence the proper operation of the golf driving mat 3.
• means for flattening the flexible member 21 of the receptacle 19 is required in order to prevent a golfer having manually to flatten the flexible member 21, typically with the palm of the hand.
• the viscous material 25 includes magnetic particles
• the flattening mechanism comprises a magnetic field generating unit 67, here disposed to the main body 29 of the body unit 17 beneath the lower member 22 of the receptacle 19, which is operable to attract the magnetic particles of the viscous material 25 towards the lower member 22 of the receptacle 19, which magnetization is utilized to cause the viscous material 25 to settle and thereby flatten the flexible member 21 of the receptacle 19.
• the magnetic particles comprise metal particles.
• the magnetic particles comprise plastic-coated metal particles.
• the particles have a diameter of less than about 1 mm.
• the magnetic field generating unit 67 is operative during the hitting stroke such as to magnetize the magnetic particles and thereby effectively aggregate the magnetic particles to confer the required viscosity to the viscous material 25, with the composition of the viscous material 25 being such that, in the absence of a magnetic field, the viscous material 25 settles and thereby flattens the flexible member 21 of the receptacle 19.
• the magnetic field generating unit 67 is operated subsequent to the hitting stroke such as to attract the magnetic particles of the viscous material 25 towards the lower member 22 of the receptacle 19, which magnetization acts to cause the viscous material 25 to settle and thereby flatten the flexible member 21 of the receptacle 19.
• Figures 12 and 13 illustrate a golf driving mat in accordance with a fifth embodiment of the present invention.
• the golf driving mat 3 of this embodiment is a modification of the above-described first embodiment, and thus, in order to avoid unnecessary duplication of description, only the differences will be described in detail, with like parts being designated by like reference signs.
• the golf driving mat 3 of this embodiment differs from that of the above-described first embodiment in omitting the loading mechanism 31, with the anchor pins 45a, 45b being provided to the other, forward, end of the main body 29 of the body unit 17, and in further comprising a flattening mechanism for flattening the flexible member 21 of the receptacle 19 after hitting golf balls therefrom.
• the present inventor has found that when golf balls are hit from the golf driving mat 3, and particularly after repeatedly hitting "fat" golf shots in succession, the flexible member 21 of the receptacle 19 can be become so uneven as to prevent the positioning of a golf ball thereon, and hence the proper operation of the golf driving mat 3.
• means for flattening the flexible member 21 of the receptacle 19 is required in order to prevent a golfer having manually to flatten the flexible member 21, typically with the palm of the hand.
• the flattening mechanism comprises a tensioning unit 69 for laterally tensioning the respective sides of the receptacle 19 in opposed directions.
• the tensioning unit 69 comprises first and second spreader bars 71a, 71b which are attached to the respective sides of the receptacle 19, here over substantially the full height of the sides of the receptacle 19, and a plurality of resilient elements 73, here tension springs, for outwardly biasing the respective sides of the receptacle 19.
• the body of the receptacle 19, including the flexible member 21 of the receptacle 19, is tensioned by the tensioning unit 69 such that, subsequent to the hitting of a "fat” shot from the golf driving mat 3, which is such as to hit into the receptacle 19, the tensioning force acts to flatten the flexible member 21 of the receptacle 19.
• the spreader bars 71a, 71b could be attached to points along the respective sides of the receptacle 19, typically to the upper ends of the respective sides or the mid-points of the respective sides.
• Figures 14 and 15 illustrate a golf driving mat in accordance with a sixth embodiment of the present invention.
• the golf driving mat 3 of this embodiment is a modification of the above-described first embodiment, and thus, in order to avoid unnecessary duplication of description, only the differences will be described in detail, with like parts being designated by like reference signs.
• the golf driving mat 3 of this embodiment differs from that of the above-described first embodiment in omitting the loading mechanism 31, with the anchor pins 45a, 45b being provided to the other, forward, end of the main body 29 of the body unit 17, and in further comprising a flattening mechanism for flattening the flexible member 21 of the receptacle 19 after hitting golf balls therefrom.
• the present inventor has found that when golf balls are hit from the golf driving mat 3, and particularly after repeatedly hitting "fat" golf shots in succession, the flexible member 21 of the receptacle 19 can be become so uneven as to prevent the positioning of a golf ball thereon, and hence the proper operation of the golf driving mat 3.
• means for flattening the flexible member 21 of the receptacle 19 is required in order to prevent a golfer having manually to flatten the flexible member 21, typically with the palm of the hand.
• the flattening mechanism comprises a tensioning unit 75 for laterally tensioning the respective sides of the receptacle 19 in opposed directions with a flattening force on actuation by a golfer.
• the tensioning unit 75 comprises first and second spreader bars 77a, 77b which are attached to the respective sides of the receptacle 19, here over substantially the full height of the sides of the receptacle 19, and hinged at one, the rearward, end about a pivot 79, and a biasing element 81, in this embodiment a leaf spring, for normally outwardly biasing the first and second spreader bars 77a, 77b, and hence the respective sides of the receptacle 19, with a first tensioning force, and being operable by a golfer, in this embodiment manually by the golfer stepping thereon, to apply a second, higher tensioning force, as a flattening force, to the receptacle 19.
• the body of the receptacle 19, including the flexible member 21 of the receptacle 19, is normally under the light tension of the first tensioning force, and, on a golfer manually operating the biasing element 81, in this embodiment by stepping thereon, the biasing element 81 applies the higher, second tensioning force to the spreader bars 77a, 77b which is such as flatten the flexible member 21 of the receptacle 19. On the golfer releasing the biasing element 81, in this embodiment by stepping thereoff, the biasing element 81 returns to applying the light, first tensioning force to the receptacle 19.
• the spreader bars 77a, 77b could be attached to points along the respective sides of the receptacle 19, typically to the upper ends of the respective sides or the mid-points of the respective sides.

Landscapes

• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Physical Education & Sports Medicine (AREA)
• Road Paving Structures (AREA)
• Golf Clubs (AREA)
• Force Measurement Appropriate To Specific Purposes (AREA)

Priority Applications (10)

Applications Claiming Priority (2)

Publications (1)

Family

ID=9920705

Family Applications (1)

Country Status (17)

Cited By (3)

Families Citing this family (6)

Citations (7)

Family Cites Families (7)

• 2001
  • 2001-08-21 GB GBGB0120271.2A patent/GB0120271D0/en not_active Ceased
• 2002
  • 2002-08-20 WO PCT/GB2002/003857 patent/WO2003015878A1/en active IP Right Grant
  • 2002-08-20 RU RU2004108110/12A patent/RU2294230C2/ru not_active IP Right Cessation
  • 2002-08-20 BR BR0212071-2A patent/BR0212071A/pt not_active IP Right Cessation
  • 2002-08-20 CN CNB028193636A patent/CN1295004C/zh not_active Expired - Fee Related
  • 2002-08-20 EP EP02765004A patent/EP1420860A1/en not_active Withdrawn
  • 2002-08-20 MX MXPA04001553A patent/MXPA04001553A/es active IP Right Grant
  • 2002-08-20 KR KR10-2004-7002464A patent/KR20040044456A/ko active IP Right Grant
  • 2002-08-20 NZ NZ531230A patent/NZ531230A/en not_active IP Right Cessation
  • 2002-08-20 CA CA002457833A patent/CA2457833A1/en not_active Abandoned
  • 2002-08-20 JP JP2003520830A patent/JP2004538110A/ja active Pending
  • 2002-08-20 US US10/482,174 patent/US20040162155A1/en not_active Abandoned
  • 2002-08-21 TW TW091118884A patent/TWI225798B/zh not_active IP Right Cessation
  • 2002-08-21 MY MYPI20023081A patent/MY140703A/en unknown
• 2004
  • 2004-02-19 ZA ZA200401356A patent/ZA200401356B/en unknown
  • 2004-02-20 NO NO20040732A patent/NO20040732L/no not_active Application Discontinuation
  • 2004-02-20 TN TNP2004000030A patent/TNSN04030A1/en unknown

Patent Citations (7)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events