Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056150 | Helmet adjustment system | Peter L. Stokes, Duco W. Noordzij | 2011-11-15 |
| 8028344 | Hinged attachment of headgear to a helmet | Charles H. Rogers, Darwin Keith-Lucas | 2011-10-04 |
| 7908667 | Mounting system for accessories on a safety helmet | Charles H. Rogers, Darwin Keith-Lucas | 2011-03-22 |