Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371210 | Elevator safety system having multiple buses | Shari R. Parillo, Paul C. Hoppie, Steven D. Coste, Ronnie E. Thebeau, Leslie C. Watterson +1 more | 2016-06-21 |
| 4661813 | Magnetic latching and damping for electromagnetic indicators | John J. Ambrozaitis | 1987-04-28 |