Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4658481 | Safety release pin for fire extinguishers | Donald R. Sloan | 1987-04-21 |
| 4619328 | Fire extinguisher valve with pressure indicator | Donald R. Sloan | 1986-10-28 |
| 4410881 | Electric horn with means for controlling curvature of the striker carrier | — | 1983-10-18 |
| 4328486 | Electric horn with improved striker assembly | Philip J. Burnstein | 1982-05-04 |