Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D899218 | Locking device | William H. Bullwinkel | 2020-10-20 |
| 10156088 | Locking device for product display hooks, showcases, cabinets, fixtures, and casework | William H. Bullwinkel | 2018-12-18 |