Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152662 | Key duplication apparatus and method | John S. Titus, John E. Bolkcom | 2000-11-28 |
| 5908273 | Key duplication apparatus and method | John S. Titus | 1999-06-01 |
| 4229912 | Take-apart convertible rotary tool | — | 1980-10-28 |