Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965556 | Combustion products detector having self-actuated periodic testing signal | William P. Tanguay, Dale Fiene | 1990-10-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965556 | Combustion products detector having self-actuated periodic testing signal | William P. Tanguay, Dale Fiene | 1990-10-23 |