Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412436 | Time lock with anti-shock features | — | 1983-11-01 |
| 4375159 | Changeable combination tumbler wheel type key lock | Jacques Peyronnet | 1983-03-01 |
| 4359883 | Time delay combination lock | James C. Miller | 1982-11-23 |
| 4269050 | Time lock with kicker arm carrier actuator | James C. Miller | 1981-05-26 |
| 4224814 | Time lock having releasable carrier latching deadbolt | — | 1980-09-30 |