Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357606 | Self-advancing step-tap tool | Donald R. Pettit, Ronald K. Penner, Charles J. Camarda | 2008-04-15 |
| 5333393 | Shoe retaining apparatus and method | Tyrone Hill | 1994-08-02 |