CA100226A
(en)
|
1906-06-08 |
1906-07-31 |
Paul Louis Toussaint Heroult |
Electric furnace
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US1060220A
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|
1912-07-15 |
1913-04-29 |
John D Gazzolo |
Face-mask.
|
US1244559A
(en)
|
1916-11-28 |
1917-10-30 |
Clarence La Fayette Stocks |
Protective helmet.
|
US1522952A
(en)
|
1922-11-20 |
1925-01-13 |
P Goldsmith Sons Company |
Football helmet
|
GB256430A
(en)
|
1925-10-06 |
1926-08-12 |
Henry Ridgeway Hart |
Improvement in aviators' helmets
|
US1691202A
(en)
|
1926-06-09 |
1928-11-13 |
Reabourne C Van La |
Helmet
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US1655007A
(en)
|
1926-06-25 |
1928-01-03 |
Berlin Tanning And Mfg Company |
Headgear
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US1705879A
(en)
|
1928-05-21 |
1929-03-19 |
Scully Bros Inc |
Aviator's helmet
|
US1841232A
(en)
|
1929-07-02 |
1932-01-12 |
Heater Glove Company |
Aviator's helmet
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US2140716A
(en)
|
1935-05-13 |
1938-12-20 |
Harry M Pryale |
Protective device for athletic wear
|
US2293308A
(en)
|
1940-04-11 |
1942-08-18 |
John T Riddell Inc |
Helmet
|
US2296335A
(en)
|
1940-11-29 |
1942-09-22 |
David R Brady |
Athletic protector
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US2515807A
(en)
|
1943-01-05 |
1950-07-18 |
Spooner Reginald Arthu William |
Coupling pin
|
US3296582A
(en)
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1946-07-23 |
1967-01-03 |
John M Ide |
Underwater listening aid for submerged personnel
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US2634415A
(en)
|
1950-03-11 |
1953-04-14 |
Wilson Athletic Goods Mfg Co I |
Helmet
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US2688747A
(en)
|
1952-05-26 |
1954-09-14 |
B F Mcdonald Company |
Plastic helmet
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US2785404A
(en)
|
1954-03-05 |
1957-03-19 |
Macgregor Sport Products Inc |
Protective helmet
|
US3039109A
(en)
|
1958-10-16 |
1962-06-19 |
Electric Storage Battery Co |
Lining for safety helmets
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(en)
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1960-09-08 |
1963-04-30 |
Bill Jack Scient Instr Co |
Ear pad and ear phone support for helmets
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US3166761A
(en)
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1961-09-27 |
1965-01-26 |
Brunswick Corp |
Chin strap construction for football helmets
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US3153973A
(en)
|
1962-03-06 |
1964-10-27 |
Michael T Marietta |
Pad for shielding an exposed end of a fastener
|
US3186004A
(en)
|
1962-06-07 |
1965-06-01 |
Richard E Carlini |
Protective helmet
|
US3197784A
(en)
|
1962-09-04 |
1965-08-03 |
Carlisle Res And Dev Corp |
Segmented helmet
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US3155981A
(en)
|
1963-02-05 |
1964-11-10 |
Mckissick John |
Football helmet cover
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US3116490A
(en)
|
1963-02-06 |
1964-01-07 |
Joseph Buegeleisen Co |
Safety helmet having a semi-flexible liner
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US3174155A
(en)
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1963-02-20 |
1965-03-23 |
Dallas Sports Knitting Co Inc |
Protective helmet having a padded outer surface
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US3153792A
(en)
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1963-07-09 |
1964-10-27 |
Michael T Marietta |
Two part detachable liner for safety helmets
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(en)
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1964-02-03 |
1966-09-27 |
Theo J Sowle |
Pivoting face guard assembly
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US3208080A
(en)
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1964-03-30 |
1965-09-28 |
Hirsch Arthur Ernest |
Protective helmet
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US3273162A
(en)
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1964-12-03 |
1966-09-20 |
Welsh Mfg Co |
Hard hat with reinforcing ribs
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US3344433A
(en)
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1965-08-30 |
1967-10-03 |
Sierra Eng Co |
Crash helmet
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US3364499A
(en)
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1965-10-22 |
1968-01-23 |
Chester S. Kwoka |
Protective helmet
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US3447163A
(en)
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1966-02-16 |
1969-06-03 |
Peter W Bothwell |
Safety helmets
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US3373443A
(en)
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1966-02-24 |
1968-03-19 |
Michael T. Marietta |
Combination helmet and face mask
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US3418657A
(en)
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1966-05-31 |
1968-12-31 |
Army Usa |
Retention device for protective helmet
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US3566409A
(en)
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1966-11-08 |
1971-03-02 |
United Aircraft Corp |
Ventilated bump hat
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US3447162A
(en)
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1967-02-06 |
1969-06-03 |
Gentex Corp |
Safety helmet with improved stabilizing and size adjusting means
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(en)
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1967-10-03 |
1969-08-26 |
Richard C Schneider |
Impact absorbing protective headgear
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US3501772A
(en)
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1968-05-08 |
1970-03-24 |
Sierra Eng Co |
Sporting safety helmet
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US3568210A
(en)
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1968-10-10 |
1971-03-09 |
Michael T Marietta |
Protective headgear
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US3590388A
(en)
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1969-02-04 |
1971-07-06 |
Mike C Holt |
Athletic helmet
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US3551911A
(en)
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1969-02-04 |
1971-01-05 |
George Frost Co |
Protective helmet and method of making same
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(en)
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1969-03-19 |
1971-08-24 |
Hop N Gator Inc |
Hydraulic helmet
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US3609764A
(en)
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1969-03-20 |
1971-10-05 |
Riddell |
Energy absorbing and sizing means for helmets
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(en)
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1969-10-07 |
1971-06-08 |
Gentex Corp |
Ballistic cover for protective helmet
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(en)
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1970-02-16 |
1971-12-28 |
Ato Inc |
Protective helmet
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US3616463A
(en)
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1970-07-06 |
1971-11-02 |
Mine Safety Appliances Co |
Shock absorbing helmet
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US3713640A
(en)
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1970-07-27 |
1973-01-30 |
Riddell |
Energy absorbing and sizing means for helmets
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(en)
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1971-04-01 |
1973-05-01 |
Cougac Inc |
Protective helmet for football or the like
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1971-11-26 |
1973-03-20 |
Questor Corp |
Football helmet
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1971-12-27 |
1973-10-02 |
F Dunning |
Inflatable padding for football helmet or the like
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CH550958A
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1972-01-19 |
1974-06-28 |
Andreasson Bror Elis |
AIR VALVE FOR INFLATABLE OBJECTS.
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1972-05-31 |
1975-08-05 |
Dale R Kasper |
Face and head protector
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1972-07-21 |
1974-01-29 |
P Belvedere |
Protective face mask and padding material therefor
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US3815152A
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1972-10-30 |
1974-06-11 |
D Bednarczuk |
Safety football helmet
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US3818508A
(en)
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1972-12-26 |
1974-06-25 |
Goodyear Tire & Rubber |
Protective headgear
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US3860966A
(en)
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1973-03-19 |
1975-01-21 |
Clarence Eugene Brown |
Safety helmet
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US3946441A
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1973-03-19 |
1976-03-30 |
Johnson John R |
Safety helmet
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US3843970A
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1973-03-19 |
1974-10-29 |
M Marietta |
Protective headgear
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1973-05-07 |
1974-06-28 |
Cougar Inc |
Football helmet having sectional liner of energy absorbing material
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1973-05-16 |
1976-11-23 |
Morton William G |
Safety helmet with individualized head-contoured inter-liner
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1973-09-26 |
1974-10-29 |
Int Signal & Control Corp |
Helmet transceiver assembly for a firemen{40 s helmet assembly or the like
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1973-10-09 |
1975-05-13 |
Riddell |
Padding structure
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1974-03-11 |
1975-03-25 |
Larcher Angelo C |
Protective headgear
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1975-06-05 |
1976-11-30 |
The Kendall Company |
Protective helmet
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DE2526336A1
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1975-06-12 |
1976-12-16 |
Kalman Gyoery |
USE FOR SAFETY HELMETS, IN PARTICULAR MOTORCYCLE HELMETS
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US4006496A
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1975-08-13 |
1977-02-08 |
Land Tool Company |
Safety helmet
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BE832996A
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1975-09-02 |
1975-12-31 |
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SAFETY HELMET
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1975-09-22 |
1979-01-16 |
The United States Of America As Represented By The Secretary Of The Navy |
Swimmer protective helmet
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1975-12-17 |
1977-05-17 |
Gentex Corporation |
Protective helmet assembly with segmental outer shell
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1976-04-22 |
1976-12-28 |
Keltner Raymond O |
Air-cushioned protective gear
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1976-05-13 |
1977-12-27 |
Griffiths William S |
Helmet structure
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1976-05-17 |
1977-05-17 |
Pepsico, Inc. |
Shock-absorbing system for protective equipment
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GB1553936A
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1976-06-04 |
1979-10-17 |
Renault |
Protective helmet
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DE2640701C3
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1976-09-10 |
1979-03-22 |
Draegerwerk Ag, 2400 Luebeck |
Protective helmet combined with a respirator
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GB1578351A
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1976-12-20 |
1980-11-05 |
Du Pont Canada |
Protective helmet
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1978-01-16 |
1981-08-11 |
The Kendall Company |
Protective headgear
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1978-07-07 |
1979-09-25 |
Small Irwin A |
Helmet for racquet ball and other sports
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1979-01-11 |
1980-12-16 |
Gentex Corporation |
Individually fitted helmet and method of and apparatus for making the same
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IT1113216B
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1979-03-30 |
1986-01-20 |
Nava Pier Luigi |
STRUCTURE IN RESIN REINFORCED IMPACT RESISTANT AND RELATED CONSTRUCTION PROCEDURE
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USD257073S
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1979-04-02 |
1980-09-30 |
Cooper Canada Limited |
Sports helmet
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1979-04-30 |
1980-09-23 |
Lee Pei Hwang |
Helmet provided with shockproof and ventilative device
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1979-07-09 |
1981-09-08 |
Riddell, Inc. |
Headgear with energy absorbing and sizing means
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1979-10-05 |
1982-08-24 |
Gentex Corporation |
Custom-fitted helmet and method of making same
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FR2485341A1
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1980-06-24 |
1981-12-31 |
Gpa International Sarl |
THERMOPLASTIC INJECTED HULL PROTECTIVE HELMET AND METHOD FOR MANUFACTURING THE SAME
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USD267287S
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1980-09-11 |
1982-12-21 |
The Regents Of The University Of Michigan |
Pneumatic liner for protective headgear
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1981-01-28 |
1983-03-01 |
The Regents Of The University Of Michigan |
Energy-absorbing insert for protective headgear
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1981-01-28 |
1982-10-19 |
The Regents Of The University Of Michigan |
Protective liner for outdoor headgear
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1981-03-17 |
1983-02-01 |
Pro-Line, Inc. |
Face guard mount for helmets
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1981-07-27 |
1982-12-14 |
Correale James V |
Football helmet face guard
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1981-08-21 |
1983-09-20 |
Amer Sport International Inc. |
Hockey helmet
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USD271249S
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1982-01-18 |
1983-11-08 |
Amer Sport International Inc. |
Hockey helmet or similar article
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1982-01-29 |
1982-05-10 |
Pacific Star Products Inc |
Helmet
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1982-06-16 |
1985-04-18 |
Egon 4830 Gütersloh Busch |
Protective helmet and method of manufacturing protective helmets
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1982-07-29 |
1984-02-28 |
Rosebank Plastics Pty Ltd |
A helmet
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1982-10-26 |
1985-12-17 |
Figgie International Inc. |
Shock attenuation system
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1982-10-26 |
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Figgie International Inc. |
Shock attenuation system
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1983-10-20 |
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HEAD GUARD FOR SPORTSMEN
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1986-01-28 |
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Inflatable baffled liner for protective headgear and other protective equipment
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1986-05-06 |
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Protective crash helmet
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1986-05-13 |
Cooper Canada Limited |
Helmet face mask
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1984-11-26 |
1987-02-27 |
Santini Jean Jacques |
SPORTS OR PROFESSIONAL PROTECTIVE HELMET
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1984-12-11 |
1987-07-09 |
エアゾ−ブ・プロプライアトリ−・リミテッド |
Protective helmets and securing devices
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1986-01-31 |
1987-09-08 |
Ab Volvo |
Load-sensing faceform for crash dummy instrumentation
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1986-02-03 |
1987-08-06 |
Huebner Gummi & Kunststoff |
Mask of polyurethane integral foam for the protection of parts of the body
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USD299978S
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1986-02-20 |
1989-02-21 |
Chiarella Michele A |
Helmet
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1986-02-20 |
1988-08-09 |
Carlin John A |
Force accumulating device for sporting protective gear
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USD298367S
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1986-06-01 |
1988-11-01 |
Cooper Canada Limited |
Helmet
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1986-08-22 |
1993-04-20 |
Artur Foehl |
Operating device for protective helmets
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1986-09-25 |
1996-08-14 |
Britax Roemer Kindersicherheit Gmbh |
Head protection for cyclists and athletes
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1986-12-31 |
1988-08-30 |
Cantwell Jay S |
Ventilated protective headgear
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1987-01-29 |
1988-08-05 |
Chaise Francois |
PROTECTIVE HELMET EQUIPPED WITH A LATCHING SIGNAL
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1987-08-01 |
1987-09-17 |
Römer GmbH, 7910 Neu-Ulm |
Safety helmet for work or sports with a forked chin strap
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FR2620790A1
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1987-09-17 |
1989-03-24 |
Breant Eric |
DEVICE MANDATORY WEARING HELMETS
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1988-05-31 |
1990-07-03 |
Straus Albert E |
Helmet cover
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JPH026606A
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1988-06-14 |
1990-01-10 |
Michio Arai |
Full face type helmet
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1988-06-25 |
1989-10-19 |
Draegerwerk Ag, 2400 Luebeck, De |
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1989-01-23 |
1991-05-14 |
Maxpro Helmets, Inc. |
Gas-fitted protective helmet
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1989-09-01 |
1991-06-18 |
Rotzin Stephen A |
Aerodynamic bicycle helmet
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1989-10-20 |
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Innova-Dex Sports, Inc. |
Protective rim configuration for hard-shelled safety helmet
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1990-02-05 |
1993-08-03 |
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Product of a two phase, self configuring coreless structural element for furniture and the like
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1990-03-02 |
1991-07-16 |
Kronenberger Robert A |
Headwear with size adjustment feature
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1990-06-07 |
1991-10-15 |
Kaiser Aerospace & Electronics Corporation |
Form-fitting, energy-absorbing material and method for making the same
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1990-07-06 |
1992-04-07 |
Willie Douglas |
Sports helmet with transparent windows in the side walls
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JPH0663124B2
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1990-08-20 |
1994-08-17 |
昭栄化工株式会社 |
Jet helmet
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1990-08-29 |
1993-01-05 |
Riddell, Inc. |
Inflatable liner for protective headgear
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1990-09-27 |
1991-07-30 |
Riddell, Inc. |
Protective helmet and liner
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1991-01-29 |
1994-04-06 |
昭栄化工株式会社 |
Helmet
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1991-05-09 |
1992-11-19 |
株式会社アライヘルメツト |
helmet
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1991-05-31 |
1997-08-26 |
Louis Garneau |
Safety helmet for cyclists
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1991-06-19 |
1994-05-10 |
Bell Helmets Inc. |
Multiple density helmet body compositions to strengthen helmet
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1991-09-23 |
1992-09-29 |
E. D. Bullard Company |
Protective helmet
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1991-10-07 |
1993-11-23 |
Riddell, Inc. |
Integrated pump mechanism and inflatable liner for protective
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1991-10-31 |
1994-03-15 |
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Side attachment strap for helmet
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1991-11-01 |
1994-03-29 |
Athletic Helmet, Inc. |
Method for molding a protective helmet
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1992-01-10 |
1994-02-22 |
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Helmet to protect cervical spine against axial impact forces
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1992-01-10 |
1996-07-30 |
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Sports helmet
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1992-01-10 |
1996-08-20 |
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Helmet
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1992-04-30 |
1994-05-31 |
The United States Of America As Represented By The Secretary Of The Army |
Protective helmet and retention system therefor
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1992-05-20 |
1993-04-27 |
Liu Huei Yu |
Safety helmet with bellows cushioning device
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1992-05-20 |
1995-08-03 |
Shoei Kako Kabushiki Kaisha |
Vehicle helmet
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GB9213704D0
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1992-06-27 |
1992-08-12 |
Brine C A |
Safety helmet
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USD348752S
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1992-07-09 |
1994-07-12 |
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Safety helmet
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1992-09-02 |
1994-03-03 |
Gericke Hein Gmbh Co Kg |
Protector
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1992-10-19 |
1993-12-21 |
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Impact protective headgear
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1992-11-04 |
1995-12-19 |
The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Adminstration |
Protective helmet assembly
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1992-12-21 |
1994-11-01 |
Ackley Robert E |
Encapsulated foam pad
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1993-03-18 |
2006-07-04 |
William H. Carveth |
Protective hockey helmet
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1993-03-26 |
1993-06-02 |
Marconi Gec Ltd |
Helmet and suspension system therefor
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1993-04-02 |
1996-05-21 |
Lion Apparel, Inc. |
Protective helmet
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1993-06-22 |
1994-12-28 |
E.D.C. Sàrl |
Crash-helmet for cyclists and for non-motor sports in general
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1993-07-20 |
1995-05-02 |
Variflex, Inc. |
Toddler safety helmet
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1993-08-06 |
1995-10-31 |
Plum Enterprises, Inc. |
Protective hat
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1993-09-17 |
1995-09-19 |
Specialized Bicycle Components, Inc. |
Bicycle helmet
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1993-10-18 |
1994-07-12 |
Louis Garneau |
Safety helmet for cyclists
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1994-02-15 |
1998-11-03 |
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Industrial protective helmet
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1994-03-04 |
1997-10-07 |
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Method and apparatus for manufacturing structural articles
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1994-03-21 |
1996-06-04 |
Gentex Corporation |
Sighter's protective helmet
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