Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172475 | Movable barrier operator | James J. Fitzgibbon, Paul E. Wanis | 2001-01-09 |
| 6133703 | Bi-directional pass-point system for controlling the operation of movable barriers | James J. Fitzgibbon, Christopher M. Valente, Mark D. Siegler, Martin Rathgeber, Ramon Tam +1 more | 2000-10-17 |
| RE36703 | Coding system for multiple transmitters and a single receiver for a garage door opener | Carl T. Heitschel, Wayne Robert Schindler | 2000-05-16 |
| 5998950 | Garage door operator safety apparatus | James J. Fitzgibbon | 1999-12-07 |
| 5841253 | Garage door operator with motor control circuit fault detection | James J. Fitzgibbon | 1998-11-24 |
| 5803149 | Jack shaft garage door operator | Ronald W. Halley, Bradford L. Farris | 1998-09-08 |
| 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 |
| 5576701 | Remote actuating apparatus comprising keypad controlled transmitter | Carl T. Heitschel | 1996-11-19 |
| RE35364 | Coding system for multiple transmitters and a single receiver for a garage door opener | Carl T. Heitschel, Wayne Robert Schindler | 1996-10-29 |
| 4981444 | Strain relief assembly | — | 1991-01-01 |
| 4794731 | Twin sprocket garage door opener | James S. Chang | 1989-01-03 |
| 4750118 | Coding system for multiple transmitters and a single receiver for a garage door opener | Carl T. Heitschel, Wayne Robert Schindler | 1988-06-07 |
| 4716301 | Digital light control | Carl T. Heitschel, Bernard J. Wojciak, Jr. | 1987-12-29 |