| RE40001 |
Jack shaft garage door operator |
James S. Chang, David J. Miller |
2008-01-15 |
| 6956199 |
Method and apparatus for determining a position of a movable barrier |
Alan Smith, Christopher M. Valente, Martin Rathgeber, James J. Fitzgibbon |
2005-10-18 |
| 6878927 |
Method and apparatus for determining a position of a movable barrier |
Alan Smith, Christopher M. Valente, Martin Rathgebe, James J. Fitzgibbon |
2005-04-12 |
| 6828745 |
Method and apparatus for programming a logic board from switching power |
Christopher M. Valente, James J. Fitzgibbon, Ramon Tam, Martin Rathgeber |
2004-12-07 |
| 6495821 |
Method and apparatus for determining a position of a movable barrier |
Dane Smith, Chris M. Valente, Martin Rathgeber |
2002-12-17 |
| 6400112 |
Bi-directional pass-point system for controlling the operation of movable barriers |
James J. Fitzgibbon, Christopher M. Valente, Colin B. Willmott, Martin Rathgeber, Ramon Tam +1 more |
2002-06-04 |
| 6376832 |
Method and apparatus for determining a position of a movable barrier |
Alan Smith, Christopher M. Valente, Martin Rathgeber, James J. Fitzgibbon |
2002-04-23 |
| 6133703 |
Bi-directional pass-point system for controlling the operation of movable barriers |
James J. Fitzgibbon, Christopher M. Valente, Colin B. Willmott, Martin Rathgeber, Ramon Tam +1 more |
2000-10-17 |
| 6078159 |
Method and apparatus for programming a logic board from switching power |
Christopher M. Valente, James J. Fitzgibbon, Martin Rathgeber, Ramon Tam |
2000-06-20 |
| 5743046 |
Jack shaft door garage operator |
James S. Chang, David J. Miller |
1998-04-28 |
| D391507 |
Garage door keyless entry system |
Loren E. Doppelt, Gary F. Prokop, Marianne Grisdale, Mark Dziersk |
1998-03-03 |
| 5299678 |
Limit switch mechanism for garage door opener |
James S. Chang, Douglas R. Turner |
1994-04-05 |
| 5176582 |
Chain guide for overhead door opener |
James S. Chang |
1993-01-05 |