Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564974 | Security hinge | Roger F. Kershaw | 1986-01-21 |
| 4491989 | Closure device for toilet seats | — | 1985-01-08 |
| 4401014 | Automatic coffee-brewing apparatus | Lois M. McGrail | 1983-08-30 |