Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6149433 | One-piece impression coping for customized implant restorative systems | Andrew Ziegler | 2000-11-21 |
| D370606 | Street key | Timothy Merriman | 1996-06-11 |
| 5275030 | Steering wheel mounted anti-theft device for vehicles | — | 1994-01-04 |