Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335520 | Flat lock | — | 1994-08-09 |
| 5174140 | Tubular lock and master tubular key | — | 1992-12-29 |
| 5152161 | Adjustable cam lock | — | 1992-10-06 |
| 5054223 | Barrel lock assembly for a gun | — | 1991-10-08 |
| 5024072 | Tumbler pin lock system | — | 1991-06-18 |
| 5020349 | Tumbler pin lock system | — | 1991-06-04 |
| 4907919 | Key manufacturing machine | — | 1990-03-13 |