Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046747 | Recreational and sporting device | — | 1991-09-10 |
| 4630456 | Casket lock for valve assembly | — | 1986-12-23 |
| 4609217 | Tamper indicating cover for a gas meter | George W. Davis | 1986-09-02 |
| 4483164 | High security locks and key | Richard E. Hoyt | 1984-11-20 |
| 4471982 | Tamper indicating cover for a gas meter | — | 1984-09-18 |
| 4458510 | Locking device for a winged gas stop | — | 1984-07-10 |
| 4441343 | High security locks and key | Richard E. Hoyt | 1984-04-10 |
| 4414829 | Locking device for an electric meter box | Richard E. Hoyt | 1983-11-15 |
| 4413490 | Front entry locking ring assembly | — | 1983-11-08 |
| 4407146 | Gas meter lock assembly | — | 1983-10-04 |
| 4391110 | Barrel lock sleeve | — | 1983-07-05 |
| 4321740 | Methods and apparatus for relining service pipe | George W. Davis, Hank Kulzer | 1982-03-30 |
| 4289000 | Pick-resistant tubular lock and key for operating the same | — | 1981-09-15 |
| 4256335 | Positive locking terminal bushings for flexible tubing | — | 1981-03-17 |