Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328692 | Booby-trapped lock cylinder with integral intrusion detector | Harry E. Dice, Sr. | 1982-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328692 | Booby-trapped lock cylinder with integral intrusion detector | Harry E. Dice, Sr. | 1982-05-11 |