Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565661 | Surface mounted indicating element for elevators | Edward C. Berdich, Peter M. Draper | 1996-10-15 |
| 5477942 | Push button assembly | Surjit S. Sandhu | 1995-12-26 |
| 5460118 | Surface mounted modular signal device for elevators | Surjit S. Sandhu | 1995-10-24 |
| 5379865 | Surface mounted indicating element for elevators | Edward C. Berdich, Peter M. Draper | 1995-01-10 |