Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050031 | Apparatus and method for preventing unauthorized entry into a structure through an opening containing an air conditioner | William D. Lewis | 2000-04-18 |
| 4815054 | Manual control device for a watch movement | — | 1989-03-21 |