Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4513198 | Mechanical computer assembly | — | 1985-04-23 |
| 4505606 | Mechanical pencil with self-tapping propelling nut and the method of producing same and propelling a lead contained therein | — | 1985-03-19 |