Issued Patents All Time
Showing 51–75 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D481171 | Safety helmet | — | 2003-10-21 |
| D481172 | Safety helmet | — | 2003-10-21 |
| D464468 | Safety helmet | — | 2002-10-15 |
| 6446271 | Auxiliary buffer envelope device for inner pad of safety helmet | — | 2002-09-10 |
| D456567 | Safety helmet | — | 2002-04-30 |
| D455869 | Safety helmet | — | 2002-04-16 |
| D453975 | Safety helmet | — | 2002-02-26 |
| D453590 | Safety helmet | — | 2002-02-12 |
| D452942 | Safety helmet | — | 2002-01-08 |
| D452941 | Safety helmet | — | 2002-01-08 |
| D452940 | Safety helmet | — | 2002-01-08 |
| D447288 | Safety helmet | — | 2001-08-28 |
| D447287 | Safety helmet | — | 2001-08-28 |
| D445544 | Safety helmet | — | 2001-07-24 |
| D445545 | Safety helmet | — | 2001-07-24 |
| D445219 | Safety helmet | — | 2001-07-17 |
| D437092 | Safety helmet | — | 2001-01-30 |
| D436695 | Safety helmet | — | 2001-01-23 |
| D436694 | Safety helmet | — | 2001-01-23 |
| D428534 | Safety helmet | — | 2000-07-18 |
| D427727 | Safety helmet | — | 2000-07-04 |
| D427381 | Sun visor for a helmet | — | 2000-06-27 |
| D426677 | Safety helmet | — | 2000-06-13 |
| D426032 | Safety helmet | — | 2000-05-30 |
| D424246 | Safety helmet | — | 2000-05-02 |