Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684372 | Garage door operator safety apparatus | James J. Fitzgibbon | 1997-11-04 |
| 5656900 | Retro-reflective infrared safety sensor for garage door operators | Andrew J. Michel | 1997-08-12 |
| 5635913 | Remote actuating apparatus with long and short operating codes | Carl T. Heitschel | 1997-06-03 |