Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553453 | Stepless wrench including quick release mechanism | Jock D. Dempsey | 1985-11-19 |
| 4491043 | Stepless wrench including quick release mechanism | Jock D. Dempsey | 1985-01-01 |