Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360450 | Adjustable caliper | — | 2002-03-26 |
| 6039462 | Lamp with safety features | Robert J. Livergood | 2000-03-21 |
| 5863111 | Lamp with safety features | Robert J. Livergood | 1999-01-26 |