Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079936 | High security cylinder lock | — | 1992-01-14 |
| 4797779 | Pulsed power supply | James Richards | 1989-01-10 |
| 4593543 | Security lock | — | 1986-06-10 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079936 | High security cylinder lock | — | 1992-01-14 |
| 4797779 | Pulsed power supply | James Richards | 1989-01-10 |
| 4593543 | Security lock | — | 1986-06-10 |