Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760380 | Door knob lock monitoring alarm mechanism | Edmond N. Quenneville, Israel Macias | 1988-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760380 | Door knob lock monitoring alarm mechanism | Edmond N. Quenneville, Israel Macias | 1988-07-26 |