| Patents for A42B 3 - Helmets; Helmet covers (10,446) |
|---|
| 05/17/1977 | US4023209 Protective helmet assembly with segmental outer shell |
| 05/10/1977 | US4022466 Hockey helmet attachment |
| 05/10/1977 | US4021858 Face mask |
| 05/03/1977 | US4020507 Inter-liner for a safety helmet |
| 04/19/1977 | US4017906 Protective garment for the face |
| 04/12/1977 | US4016734 Safety helmet with individualized head-contoured inter-liner |
| 03/29/1977 | US4014048 Inflation device |
| 03/22/1977 | US4012794 Impact-absorbing helmet |
| 02/22/1977 | US4008949 Protective reflective helmet |
| 02/08/1977 | US4006496 Safety helmet |
| 01/11/1977 | US4002895 Illuminating apparatus |
| 01/11/1977 | US4001894 Protective helmet |
| 01/04/1977 | US4000520 Headgear support system |
| 12/28/1976 | US3999220 Air-cushioned protective gear |
| 11/30/1976 | US3994023 Simplified protective helmet assembly |
| 11/30/1976 | US3994022 Protective helmet with liners |
| 11/30/1976 | US3994021 Protective helmet |
| 11/30/1976 | US3994020 Protective helmet with liner means |
| 11/23/1976 | US3992722 Protective helmet |
| 11/23/1976 | US3992721 Safety helmet with individualized head-contoured inter-liner |
| 11/23/1976 | US3992720 Adjustable headband |
| 11/16/1976 | US3991423 Helmet with actuated neck pad |
| 11/16/1976 | US3991422 Defensive covering for the head |
| 11/09/1976 | US3990113 Fastening means for a crash helmet |
| 10/26/1976 | US3987495 Motorcycle helmet |
| 10/12/1976 | US3984875 Protective head gear |
| 10/05/1976 | US3983602 Implement holder for a safety helmet |
| 09/07/1976 | US3978527 Headgear |
| 09/07/1976 | US3978526 Periscope rear view helmet and helmet adapter |
| 09/07/1976 | US3978525 Head and chest protectors for example for motor cyclists |
| 08/24/1976 | US3977003 Conformal helmet antenna |
| 08/03/1976 | US3972075 Hair stylist's haircutting helmet |
| 07/20/1976 | US3970082 Hard hat ear protector |
| 06/15/1976 | US3963917 Illuminated safety helmet |
| 06/08/1976 | USRE28847 Inside helmet sight display apparatus |
| 05/25/1976 | US3958276 Helmet |
| 05/18/1976 | US3956773 Custom fitted, light weight, air conditioned protective helmet |
| 04/27/1976 | US3953725 Illuminating apparatus |
| 04/20/1976 | US3950788 Head and crown suspension for protective helmet |
| 03/30/1976 | US3946466 Clamping device for a protective device mounted on a safety headgear |
| 03/30/1976 | US3946442 Helmet visor |
| 03/30/1976 | US3946441 Safety helmet |
| 03/23/1976 | US3945043 Flip-up visor assembly for helmet |
| 03/16/1976 | US3943572 Helmet retention system |
| 01/27/1976 | US3935044 Method of manufacturing improved protective headgear |
| 01/27/1976 | US3934271 Protective helmet |