Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8566969 | Adjustable fitting helmet | John D. Fiegener, Daniel Richard Armstrong, Michael Tinstman, Hans Dyhrman, John T. Fowler | 2013-10-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8566969 | Adjustable fitting helmet | John D. Fiegener, Daniel Richard Armstrong, Michael Tinstman, Hans Dyhrman, John T. Fowler | 2013-10-29 |