Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356476 | Multiple alarm detector monitoring and command system | William E. Healey | 1982-10-26 |
| 4349812 | Multiple detector alarm latch and release system | William E. Healey | 1982-09-14 |