Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640862 | Electronic combination lock including a sensor arrangement which senses the position and direction of movement of the combination dial | — | 1997-06-24 |
| 4875351 | Electronic time lock | Walter R. Evans, Thomas E. Jasper, Wayne Ballard | 1989-10-24 |
| D282239 | Combined case and cover for a quick mount combination lock | — | 1986-01-21 |
| 4512167 | Variable position quick mount combination lock | — | 1985-04-23 |