Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151935 | Deadbolt combination lock system with automatic locking spring bolt | James D. Hamilton, Kenneth H. Mimlitch | 2000-11-28 |
| 6094953 | Electrically controlled slidebolt lock | — | 2000-08-01 |
| 5893283 | Solenoid controlled bolt control for an electronic lock | Kenneth H. Mimlitch, Larry J. Rice | 1999-04-13 |
| 5881589 | Gear driven bolt withdrawal for an electronic combination lock | Thomas R. Clark, Gerald L. Dawson, James P. Redden | 1999-03-16 |
| D388308 | Electronic combination lock housing | Edward E. Pollard, Raymond Reichenbach, Larry J. Rice | 1997-12-30 |
| 5632170 | Combination lock preventing manipulation for unauthorized access | — | 1997-05-27 |
| 4961330 | High security panic exit system | — | 1990-10-09 |
| 4875351 | Electronic time lock | Joseph M. Remenicky, Thomas E. Jasper, Wayne Ballard | 1989-10-24 |
| 4776187 | Changeable key cylinder exposed shackle padlock | Gregory C. Lainhart | 1988-10-11 |
| 4763496 | High security changeable key cylinder type shackle padlock | Gregory C. Lainhart | 1988-08-16 |
| 4651546 | High security rotary disc, pin tumbler type cylinder lock | — | 1987-03-24 |
| 4643010 | Two movement time lock | Bert Krivec, Gary R. Murphree | 1987-02-17 |
| 4580424 | Single lever, double changeable safe deposit lock | — | 1986-04-08 |
| 4462230 | Changeable safe deposit lock with slidable clamped fences | — | 1984-07-31 |
| 4404823 | View limiting dial and ring structure for combination locks and the like | Harry C. Miller | 1983-09-20 |
| 4359886 | Key lock cylinder for possibly contaminated environments | Gary R. Murphree, Shelly M. Osborne | 1982-11-23 |
| 4241594 | Slide cover type changeable key plug padlock | Harry C. Miller | 1980-12-30 |