Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590922 | Security device | — | 1997-01-07 |
| 5566561 | Automobile anti-theft device | — | 1996-10-22 |
| 4984331 | Door holder including a removable cam | — | 1991-01-15 |
| 4754522 | Door holders for selectively positioning doors against closure | — | 1988-07-05 |
| 4377940 | Impression-resistant lock | — | 1983-03-29 |