Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480733 | Energy absorbing bidirectional ratchet no-back apparatus | Duane H. Grimm | 1984-11-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480733 | Energy absorbing bidirectional ratchet no-back apparatus | Duane H. Grimm | 1984-11-06 |