Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132144 | Passive anchor latch | Robert F. Zueck, Robert J. Taylor, Karen C. Miller, David R. Shields, Richard C. Lundberg | 2000-10-17 |
| 6034616 | Electronic combination lock with high security features | Michael P. Harvey, Gerald L. Dawson, Daniel L. Thompson | 2000-03-07 |
| 5777559 | Electronic combination lock with high security features | Gerald L. Dawson, Daniel L. Thompson, Michael P. Harvey | 1998-07-07 |
| 5241516 | Diver navigation system | Roman Kruchowy, Michael R. Hanks | 1993-08-31 |
| 5061923 | Computerized combination lock | Michael P. Harvey | 1991-10-29 |
| 4359883 | Time delay combination lock | Charles G. Bechtiger | 1982-11-23 |
| 4269050 | Time lock with kicker arm carrier actuator | Charles G. Bechtiger | 1981-05-26 |