Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836002 | Programmable lock apparatus and method | — | 1989-06-06 |
| 4747281 | Randomly and integrally re-keyable lock apparatus and method | — | 1988-05-31 |
| 4712401 | Randomly and integrally re-keyable lock apparatus and method | — | 1987-12-15 |
| 4712402 | Integrally and sequentially re-keyable lock apparatus and method | — | 1987-12-15 |