Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937556 | Window guard monitoring system and guard | Donald R. Vessell | 1990-06-26 |
| 4845845 | Plastic shaving device | — | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937556 | Window guard monitoring system and guard | Donald R. Vessell | 1990-06-26 |
| 4845845 | Plastic shaving device | — | 1989-07-11 |