Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901546 | Randomly-false-gated tumbler wheels for combination locks | Klaus W. Gartner, Peter J. Phillips | 1990-02-20 |
| 4780032 | Key duplicating apparatus | Peter J. Phillips | 1988-10-25 |
| 4756176 | Fence lever control device for a combination lock | — | 1988-07-12 |
| 4665727 | Manually operated lock mechanism for bypass of customer operated electronic digital safe lock | — | 1987-05-19 |
| 4628715 | Tumbler wheel assembly shield for combination locks | Klaus W. Gartner | 1986-12-16 |
| 4579337 | Exercise device | — | 1986-04-01 |
| 4541259 | Combination lock | — | 1985-09-17 |
| 4532785 | Combination lock | — | 1985-08-06 |
| 4512165 | High security padlock | — | 1985-04-23 |
| 4504160 | Color printer and multi-ribbon cartridge therefor | Errol G. Payne, Charles D. McGregor | 1985-03-12 |
| 4493199 | Universal boltworks mechanism for safe door | — | 1985-01-15 |
| 4470277 | Security door locking mechanism | — | 1984-09-11 |
| D274530 | Can holder for use in a paint mixer | — | 1984-07-03 |
| 4418555 | Cylinder type lock and key | — | 1983-12-06 |
| 4403874 | Color printer and multi-ribbon cartridge therefor | Errol G. Payne, Charles D. McGregor | 1983-09-13 |
| 4378609 | Sofa bed with mattress longitudinally compressed for storage and method | Charles A. Patterson | 1983-04-05 |
| 4353231 | Friction drive-snap inner fit tumbler wheel construction | — | 1982-10-12 |
| 4342207 | Safe relock mechanism | Daniel Holmes | 1982-08-03 |
| 4339125 | Single column exercising apparatus | Parker E. Mahnke | 1982-07-13 |
| D263868 | Water sprinkler base | Ho Chow | 1982-04-13 |
| 4317566 | Single column exercising apparatus | Parker E. Mahnke | 1982-03-02 |
| D263069 | Sprinkler control valve | Ho Chow | 1982-02-16 |
| 4312199 | Combination lock tumbler wheel construction | — | 1982-01-26 |
| D260796 | Apertured casting | — | 1981-09-15 |
| D259649 | Exerciser | — | 1981-06-23 |