Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914665 | Cover for surface mounted alarm unit | Douglas J. Anderson, Curtis R. Davidson | 1999-06-22 |
| 5478038 | Right angle clamp | William F. Laubach | 1995-12-26 |
| D315694 | Strobe | Kenneth R. Fenne | 1991-03-26 |
| D311705 | Combined electrical outlet cover and mounting plate for strobe light for fire alarm systems or the like | Kenneth R. Fenne | 1990-10-30 |
| 4488044 | Ionization chamber for smoke detector and the like | Gerald D. Rork, Ronald J. Zegarski | 1984-12-11 |