Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792032 | Mechanical timing device electronic upgrading mechanism | — | 1988-12-20 |
| 4203362 | Adjustable self-inking stamping device | James L. Underwood | 1980-05-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792032 | Mechanical timing device electronic upgrading mechanism | — | 1988-12-20 |
| 4203362 | Adjustable self-inking stamping device | James L. Underwood | 1980-05-20 |