Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4484364 | Shock attenuation system for headgear | Hal D. Mitchell | 1984-11-27 | $651,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4484364 | Shock attenuation system for headgear | Hal D. Mitchell | 1984-11-27 | $651,000 |