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Teeth protector

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Publication number
US3058462A
US3058462A US13339661A US3058462A US 3058462 A US3058462 A US 3058462A US 13339661 A US13339661 A US 13339661A US 3058462 A US3058462 A US 3058462A
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Prior art keywords
teeth
face
wall
bar
guard
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Expired - Lifetime
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Louis L Greenblum
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Louis L Greenblum
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/08Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
    • A63B71/085Mouth or teeth protectors
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/08Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
    • A63B71/085Mouth or teeth protectors
    • A63B2071/088Mouth inserted protectors with tether or strap

Description

1962 L. LQGREENBLUM 3,058,462

TEETH PROTECTOR Filed Aug. 23, 1961 INVENTOR. Lola's 4. Greenb/am ilnite States My invention relates to improvements in teeth protectors for athletes and particularly to a novel teeth protector for preventing involuntary and forceful closing of the lower and the upper set of teeth of a football player wearing a protective headgear that has the usual face guard bar affixed thereto.

In present day competitive contact sports, such as football, or the like, a head protector or helmet is worn by the players and these helmets are provided with face guard bars which extend across the forward opening of the helmet and are mounted on the helmet body on both sides of said opening to protect the pl-ayers face from contact with moving objects directly in front of his face. There remains, however, the problem of preventatent Q ing damage to the players teeth resulting from the forccful closing of the jaws by objects moving upwardly against the lower jaw which have caused damage to the players tongue or which bring the teeth together with such impact as to crack or damage one or more of them It is, therefore, the main object of my invention to provide a teeth protecting mouthpiece for athletes wearing headgear having a face guard bar fixed thereon which mouthpiece has an improved attachment means with said face guard that will hold it in an attention attracting and observable position in front of the players face at times when the mouthpiece is not required in play.

Another object of the invention is to provide a mouthpiece devi e having the foregoing characteristics which will provide a means for self ejection of the mouthpiece from the players mouth into an inoperative position by voluntary or involuntary opening of the mouth. Involuntary opening of the mouth would occur if the player happened to be knocked unconscious by a blow whereby the mouthpiece would be ejected from the players mouth or it may be voluntarily ejected from the mouth when it is not required for play.

A further object of the invention is to provide a novel and improved teeth protector capable of fitting mouths of substantially all athletes and which may be packaged in a small unit for attachment to the face protector guard bar of a football helmet, or the like.

With these and other objects of the invention in prospect the present invention will be fully understood from the following description considered in connection with the accompanying illustrative drawings, wherein:

FIG. 1 is a perspective view of a player wearing a headgear and its affixed face guard bar with my teeth protector shown attached to said bar.

FIG. 2 is a top plan view of my teeth protector prior to its attachment to the face guard bart of the headgear.

FIG. 3 is a side elevational view of the teeth protector shown in FIG. 2.

FIG. 4 is a central, cross-sectional view taken through my mouthpiece interposed between the players teeth, the players mouth being shown in dotted lines and the face guard bar of the headgear being broken away and shown in section.

Referring to the drawings the numeral 10 designates a protective headgear used as required equipment in the game of footba i, said headgear being provided with a face guard bar 11 that has a generally arcuate shape and is positioned on the headgear to extend across and forwardly of the forward opening 12 in the headgear. As shown in FIG. 1 the bar is reticular and has its ends 13 fastened as by rivets 14 to the headgear body on opposite 3,058,462 Patented Oct. 16, 1962 "ice sides of the opening 12. The guard bar 11 is thus positioned on the headgear to protect the face, eyes, nose and mouth of a player from blowor objects moving from in front of the players face and it has been generally recognized that this guard bar is effective against such blows and forces. The protective headgear is also provided with a chin strap 15 designed to prevent displacement of the headgear during use thereof.

My teeth protector 16 is designed for use with the athletic headgear 10 and its face guard bar 11 to prevent damage to the player teeth resulting from impact of the lower jaw with upwardly moving objects or forces which would otherwise cause the player to involuntarily and forcefully close the upper and lower sets of teeth on each other. The protector includes a mouth insert member indicated by the reference numeral 17 and which is generally shown and described in my Patent 2,800,898 of July 30, 1957. This month insert member is constructed of a one-piece, resilient body that is horse shoe shaped in plan and is adapted to be received between the front teeth of the upper and lower front sets of teeth of an athlete in order to prevent violent physical contact between the sets of teeth when a blow is received on the lower jaw. As best shown in FIGS. 2, 3 and 4 the insert has a U-shaped bottom wall 13 that is to be interposed between the front portions of the upper and lower sets of teeth when the mouthpiece isin operative posi "29 being curved anteriorly to form with the bottom and arched walls a curved trough for receiving the front teeth of a set of teeth and the gum portions therefor. As shown in FIG. 4 the insert 17 is best adapted to fit the front teeth of the lower set of teeth but may, if desired, be reversed and used to fit the upper set of teeth, it being the main objective that the bottom wall 18 of the mouth insert be interposed between the upper and lower teeth when the insert is being worn.

As best illustrated in FIG. 2 the ends of the curved wall 20 terminate forwardly of the straight posterior edge 21 of the mouth protector thus providing a lateral clearance at the sides of the insert for the attachment of the flexible headgear connector means 22 for the insert. To this end a hole 23 is formed through each end portion of the bottom wall 18 and through each of said holes there is threaded a flexible longitudinally extensible connector cord 24. One of said cord-s may be knotted as at 25 Whilst the ends of the opposite cord may remain unconnected for the purpose of readily connecting the said ends to the face guard bar 11 of the headgear 10. In FIG. 1 there is illustrated a manner of connecting and positioning the mouth insert 17 on the face guard bar and, as indicated therein, the insert 17 has one of its flexible cords 24 connected one on each side of the central portion of the face guard bar to swing or dangle the insort in front of the athletes face, the insert being sus-' pended on the bar at all times that the headgear is worn in a position to attract the attention of the player and be readily taken into the athletes mouth when it is requiredas a teeth protector for a forthcoming play.

With reference to FIG. 4 it will be understood that when the mouth insert is positioned in the athletes mouth.

ble position for immediate insertion into the mouth when it is required for actually playing of the game of football, or the like.

Having thus described my invention and the best manner of using it I further contemplate that my teeth proteetor may be associated with the headgear proper or with a headgear accessory other than the particular face guard bar 11 provided my teeth protector, when not in actual use, be suspended from the headgear to swing in front of the players face in an observable position substantially by the means described herein.

What is claimed is:

1. A protective mouthpiece to prevent involuntary and forceful closing of the lower and upper sets of teeth of an athlete wearing a headgear having a face guard bar fixed thereon comprising a mouth insert made of a onepiece, resilient material and having a U-shaped bottom wall adapted for interposition between the upper and lower sets of teeth an arched wall joined to the posterior edge of the bottom wall and a curved wall joined to the anen'or edge of said bottom wall, said arched and curved Walls adapted to embrace the front teeth and gums of one set of teeth, a hole formed through the bottom wall, a flexible, longitudinally extensible core extending through the hole in the bottom wall, and means for securing the opposed free end of the cord to the central portion of the face guard bar.

2. The protective mouthpiece set forth in claim 1 characterized by the fact that the means for securing the opposed free end of the cord to the central portion of the face guard bar consists of a cord in the form of a closed loop passing through the hole in the bottom Wall, and the free end of the cord being adapted to be engaged around the face guard bar.

3. A protective mouthpiece to prevent involuntary and forceful closing of the lower and upper sets of teeth of an athlete wearing a headgear having a face guard bar fixed thereon comprising a mouth insert made of a onepiece resilient material and having a U-shaped bottom wall adapted for interposition between the upper and lower sets of teeth, an arched wall joined to the posterior edge of the bottom wall, and a curved wall joined to the anterior edge of the said bottom wall said arched and curved Walls adapted to embrace the front teeth and gums of one set of teeth, the curved wall terminating anteriorly of the bottom wall at the sides thereof, a hole formed through the bottom wall at each side thereof, a flexible, longitudinally extensible cord having its central portions extending through each hole, and means for securing the opposed free ends of each of the cords to the face guard bar on opposite sides of the center portion thereof.

4. A protective mouthpiece to prevent involuntary and forceful closing of the lower and upper sets of teeth of an athlete wearing a headgear having a face guard bar fixed thereon comprising a mouth insert made of a one-piece resilient material and having a U-shaped bottom wall adapted for interposition between the upper and lower sets of teeth, an arched wall joined to the posterior edge of the bottom Wall, and a curved wall joined to the anterior edge of the said bottom wall, said arched and curbed walls adapted to embrace the front teeth and gums of one set of teeth, the curved wall terminating anteriorly of the bottom wall at the sides thereof, a hole formed through the bottom wall at each side thereof, a flexible, longitudinally extensible cord having its central portion extending through each hole, and means for securing the opposed free ends of each of the cords to the face guard bar on opposite sides of the center portion thereof, with said cords being adapted to suspend the insert from the bar when the mouth insert is not used, said cords being of a length to be placed under tension when the insert is in position in the athletes mouth.

References Cited in the file of this patent UNITED STATES PATENTS 2,694,397 Herms Nov. 16, 1954 2,800,898 Greenblum July 30, 1957 2,847,003 Helmer Aug. 12, 1958 2,983,046 Jenkins May 9, 1961 rUNITED STATES PATENT FFECE CERTIFICATE OF CGRECTION Patent No. 3,058,462

October 16 1962 Louis L. Greenblum It is hereby certified that error appears in the above numbered patent requiring correction and that the said Letters Patent should read as corrected below.

Column 3, line 19, after "teeth" 24, for "core" read cord "{ourbed" read curved insert a comma; line column 4, line 22, for

Signed and sealed this 19th day of March 1963,

(SEAL) Attest:

ESTON G JOHNSON Attesting Officer DAVID L. LADD Commissioner of Patents

US3058462A 1961-08-23 1961-08-23 Teeth protector Expired - Lifetime US3058462A (en)

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Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314423A (en) * 1962-08-09 1967-04-18 Paul L Boatwright Means for protecting the mouth
US3346875A (en) * 1965-06-03 1967-10-17 Weisberger David Nose and lip protector apparatus
US4977905A (en) * 1989-10-31 1990-12-18 Kittelsen Jon D Protective mouthguard assembly
US5152301A (en) * 1991-09-16 1992-10-06 E-Z Gard Industries, Inc. Mouthguard
US5234005A (en) * 1989-10-31 1993-08-10 E-Z Gard Industries, Inc. Protective mouthguard assembly
US5320114A (en) * 1993-05-24 1994-06-14 E-Z Gard Industries, Inc. Boiling and stabilization tray for mouthguards
US5353810A (en) * 1993-05-14 1994-10-11 E-Z Gard Industries, Inc. Wishbone tether for mouthguard assemblies
US5365946A (en) * 1992-08-21 1994-11-22 E-Z Gard Industries, Inc. Quick release tether for mouthguards
US5556357A (en) * 1995-11-14 1996-09-17 Hanna; Beverly I. Face, neck and chin exerciser
US5718575A (en) * 1993-08-09 1998-02-17 Big Picture, Inc. Adjustable, customizable performance enhancing dental appliance
USD398224S (en) 1996-12-16 1998-09-15 Southpac Trust International, Inc. Floral wrapper
US5836761A (en) * 1996-08-05 1998-11-17 Big Picture, Inc. Adjustable customized dental appliance
US5865619A (en) * 1993-08-09 1999-02-02 Big Picture, Inc. Triple composite performance enhancing dental appliance
US5879155A (en) * 1996-08-05 1999-03-09 Big Picture, Inc. Adjustable customized composite dental appliance with wire band
US6237601B1 (en) 2000-09-08 2001-05-29 Big Picture, Inc. Cross-cantilever connectors for a dental appliance
US6257239B1 (en) 2000-09-08 2001-07-10 Bite Tech, Inc. Dental appliance with anti-microbial additive
US6371758B1 (en) 1996-08-05 2002-04-16 Bite Tech, Inc. One-piece customizable dental appliance
US6415794B1 (en) 2000-09-08 2002-07-09 Bite Tech, Inc. Composite dental appliance with wedge
US6491036B2 (en) 2001-04-06 2002-12-10 William A. Cook Low-density polyethylene dental appliance and mouthguard with nucleating agent
US6505626B2 (en) 2001-04-06 2003-01-14 Jon D. Kittelsen Composite mouthguard with nonsoftenable framework and disconnected anterior impact braces
US6505627B2 (en) 2001-04-06 2003-01-14 Jon D. Kittelsen Composite mouthguard with palate arch and anterior palate opening
US6505628B2 (en) 2001-04-06 2003-01-14 Jon D. Kittelsen Quadruple composite performance enhancing mouthguard
US6508251B2 (en) 2001-04-06 2003-01-21 Jon D. Kittelsen Composite mouthguard with palate arch with nonsoftening framework having at least one bridge
US6510853B1 (en) 2001-04-06 2003-01-28 Jon D. Kittelsen Encapsulated quintuple composite mouthguard
US6539943B1 (en) 2000-09-08 2003-04-01 Bite Tech, Inc. Encapsulated composite dental appliance
US6553996B2 (en) 2000-09-08 2003-04-29 Jon D. Kittelsen Dental appliance with antimicrobial additive
US6581604B2 (en) 2001-04-06 2003-06-24 Bite Tech, Inc. Low-density polyethylene dental appliance and mouthguard
US6588430B2 (en) 2001-04-06 2003-07-08 Bite Tech, Inc. Composite performance enhancing mouthguard with embedded wedge
US6598605B1 (en) 2000-09-08 2003-07-29 Bite Tech, Inc. Non-softenable, impressionable framework for dental appliances
US6626180B1 (en) 2000-09-08 2003-09-30 Bite Tech, Inc. Quadruple composite performance enhancing dental appliance
US6675806B2 (en) 2001-04-06 2004-01-13 Bite Tech, Inc. Composite mouthguard with elastomeric traction pads and disconnected anterior impact braces
US6691710B2 (en) 2001-04-06 2004-02-17 Bite Tech, Inc. Composite mouthguard
US6820623B2 (en) 2002-11-14 2004-11-23 Bite Tech, Inc. Polyethylene dental appliance and mouthguard with tactifier resin
US20100252053A1 (en) * 2000-09-08 2010-10-07 Dena Petty Garner Methods and apparatus for reduction of lactate
US20100269836A1 (en) * 2000-09-08 2010-10-28 Mark Roettger Composite oral appliances and methods for manufacture
US20110017221A1 (en) * 2000-09-08 2011-01-27 Dena Petty Garner Methods and Apparatus for Reduction of Cortisol
US8074658B2 (en) 2000-09-08 2011-12-13 Bite Tech, Inc. Composite performance enhancing tethered mouthguard
US8104324B2 (en) 2010-03-02 2012-01-31 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
USD663485S1 (en) 2010-06-02 2012-07-10 Shock Doctor, Inc. Custom mouthguard
USD663486S1 (en) 2010-06-02 2012-07-10 Shock Doctor, Inc. Custom mouthguard
US8453650B1 (en) 2012-07-03 2013-06-04 Mdm Mouthpiece
USD688832S1 (en) 2011-05-17 2013-08-27 Shock Doctor, Inc. Mouthguard
US8607798B2 (en) 2010-06-02 2013-12-17 Shock Doctor, Inc. Custom mouthguard
US8689796B2 (en) 2010-05-17 2014-04-08 Shock Doctor, Inc. Mouthguard with linear storage configuration
US8739599B2 (en) 2010-03-02 2014-06-03 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
USD779743S1 (en) * 2015-10-13 2017-02-21 Jeffery C. Welcsh Helmet retaining strap for a mouth guard

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694397A (en) * 1952-09-15 1954-11-16 Frederick W Herms Mouth prop
US2800898A (en) * 1955-12-07 1957-07-30 Louis L Greenblum Mouth shield
US2847003A (en) * 1956-10-22 1958-08-12 Helmer Protective mouthpiece
US2983046A (en) * 1958-10-16 1961-05-09 Jenkins Harvey Dental appliance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694397A (en) * 1952-09-15 1954-11-16 Frederick W Herms Mouth prop
US2800898A (en) * 1955-12-07 1957-07-30 Louis L Greenblum Mouth shield
US2847003A (en) * 1956-10-22 1958-08-12 Helmer Protective mouthpiece
US2983046A (en) * 1958-10-16 1961-05-09 Jenkins Harvey Dental appliance

Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314423A (en) * 1962-08-09 1967-04-18 Paul L Boatwright Means for protecting the mouth
US3346875A (en) * 1965-06-03 1967-10-17 Weisberger David Nose and lip protector apparatus
US4977905A (en) * 1989-10-31 1990-12-18 Kittelsen Jon D Protective mouthguard assembly
US5234005A (en) * 1989-10-31 1993-08-10 E-Z Gard Industries, Inc. Protective mouthguard assembly
US5152301A (en) * 1991-09-16 1992-10-06 E-Z Gard Industries, Inc. Mouthguard
US5365946A (en) * 1992-08-21 1994-11-22 E-Z Gard Industries, Inc. Quick release tether for mouthguards
US5353810A (en) * 1993-05-14 1994-10-11 E-Z Gard Industries, Inc. Wishbone tether for mouthguard assemblies
WO1994026364A1 (en) * 1993-05-14 1994-11-24 E-Z Gard Industries, Inc. Wishbone tether for mouthguard assemblies
US5320114A (en) * 1993-05-24 1994-06-14 E-Z Gard Industries, Inc. Boiling and stabilization tray for mouthguards
US5865619A (en) * 1993-08-09 1999-02-02 Big Picture, Inc. Triple composite performance enhancing dental appliance
US5718575A (en) * 1993-08-09 1998-02-17 Big Picture, Inc. Adjustable, customizable performance enhancing dental appliance
US6012919A (en) * 1993-08-09 2000-01-11 Cross, Iii; Henry D. Triple composite performance enhancing dental appliance
WO1997018013A1 (en) * 1995-11-14 1997-05-22 Beverly Ibes Hanna Face, neck and chin exerciser
US5556357A (en) * 1995-11-14 1996-09-17 Hanna; Beverly I. Face, neck and chin exerciser
US5836761A (en) * 1996-08-05 1998-11-17 Big Picture, Inc. Adjustable customized dental appliance
US5879155A (en) * 1996-08-05 1999-03-09 Big Picture, Inc. Adjustable customized composite dental appliance with wire band
US6200133B1 (en) 1996-08-05 2001-03-13 Big Picture, Inc. Adjustable customizable dental appliance with triple composite structure
US6371758B1 (en) 1996-08-05 2002-04-16 Bite Tech, Inc. One-piece customizable dental appliance
USD398224S (en) 1996-12-16 1998-09-15 Southpac Trust International, Inc. Floral wrapper
US6598605B1 (en) 2000-09-08 2003-07-29 Bite Tech, Inc. Non-softenable, impressionable framework for dental appliances
US6257239B1 (en) 2000-09-08 2001-07-10 Bite Tech, Inc. Dental appliance with anti-microbial additive
US6415794B1 (en) 2000-09-08 2002-07-09 Bite Tech, Inc. Composite dental appliance with wedge
US9668827B2 (en) 2000-09-08 2017-06-06 Bite Tech, Inc. Composite oral appliances and methods for manufacture
US8567408B2 (en) 2000-09-08 2013-10-29 Bite Tech, Inc. Composite oral appliances and methods for manufacture
US8074658B2 (en) 2000-09-08 2011-12-13 Bite Tech, Inc. Composite performance enhancing tethered mouthguard
US20110017221A1 (en) * 2000-09-08 2011-01-27 Dena Petty Garner Methods and Apparatus for Reduction of Cortisol
US20100269836A1 (en) * 2000-09-08 2010-10-28 Mark Roettger Composite oral appliances and methods for manufacture
US20100252053A1 (en) * 2000-09-08 2010-10-07 Dena Petty Garner Methods and apparatus for reduction of lactate
US6237601B1 (en) 2000-09-08 2001-05-29 Big Picture, Inc. Cross-cantilever connectors for a dental appliance
US6553996B2 (en) 2000-09-08 2003-04-29 Jon D. Kittelsen Dental appliance with antimicrobial additive
US6626180B1 (en) 2000-09-08 2003-09-30 Bite Tech, Inc. Quadruple composite performance enhancing dental appliance
US6539943B1 (en) 2000-09-08 2003-04-01 Bite Tech, Inc. Encapsulated composite dental appliance
US6491036B2 (en) 2001-04-06 2002-12-10 William A. Cook Low-density polyethylene dental appliance and mouthguard with nucleating agent
US6581604B2 (en) 2001-04-06 2003-06-24 Bite Tech, Inc. Low-density polyethylene dental appliance and mouthguard
US6675806B2 (en) 2001-04-06 2004-01-13 Bite Tech, Inc. Composite mouthguard with elastomeric traction pads and disconnected anterior impact braces
US6691710B2 (en) 2001-04-06 2004-02-17 Bite Tech, Inc. Composite mouthguard
US6588430B2 (en) 2001-04-06 2003-07-08 Bite Tech, Inc. Composite performance enhancing mouthguard with embedded wedge
US6510853B1 (en) 2001-04-06 2003-01-28 Jon D. Kittelsen Encapsulated quintuple composite mouthguard
US6508251B2 (en) 2001-04-06 2003-01-21 Jon D. Kittelsen Composite mouthguard with palate arch with nonsoftening framework having at least one bridge
US6505628B2 (en) 2001-04-06 2003-01-14 Jon D. Kittelsen Quadruple composite performance enhancing mouthguard
US6505627B2 (en) 2001-04-06 2003-01-14 Jon D. Kittelsen Composite mouthguard with palate arch and anterior palate opening
US6505626B2 (en) 2001-04-06 2003-01-14 Jon D. Kittelsen Composite mouthguard with nonsoftenable framework and disconnected anterior impact braces
US6820623B2 (en) 2002-11-14 2004-11-23 Bite Tech, Inc. Polyethylene dental appliance and mouthguard with tactifier resin
US8739599B2 (en) 2010-03-02 2014-06-03 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
US8739600B2 (en) 2010-03-02 2014-06-03 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
US8468870B2 (en) 2010-03-02 2013-06-25 Bio-Applications, L.L.C. Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
US9814391B2 (en) 2010-03-02 2017-11-14 Don B. Hennig Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
US8104324B2 (en) 2010-03-02 2012-01-31 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
US8689796B2 (en) 2010-05-17 2014-04-08 Shock Doctor, Inc. Mouthguard with linear storage configuration
USD663486S1 (en) 2010-06-02 2012-07-10 Shock Doctor, Inc. Custom mouthguard
USD663485S1 (en) 2010-06-02 2012-07-10 Shock Doctor, Inc. Custom mouthguard
US8607798B2 (en) 2010-06-02 2013-12-17 Shock Doctor, Inc. Custom mouthguard
USD688832S1 (en) 2011-05-17 2013-08-27 Shock Doctor, Inc. Mouthguard
US9737377B2 (en) 2012-07-03 2017-08-22 Mdm Mouthpiece
US8453650B1 (en) 2012-07-03 2013-06-04 Mdm Mouthpiece
USD779743S1 (en) * 2015-10-13 2017-02-21 Jeffery C. Welcsh Helmet retaining strap for a mouth guard

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