Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9914559 | Guard for a compressed air tank | — | 2018-03-13 |
| 6425142 | Retention mechanism for a helmet | Kurt Gibbons Workman, F. Robert Egger | 2002-07-30 |
| 6226802 | Retention mechanism for a helmet | Kurt Gibbons Workman, F. Robert Egger | 2001-05-08 |
| 6170084 | Clip-on visor | Kevin Michael Gordon | 2001-01-09 |