Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956199 | Method and apparatus for determining a position of a movable barrier | Christopher M. Valente, Martin Rathgeber, Mark D. Siegler, James J. Fitzgibbon | 2005-10-18 |
| 6878927 | Method and apparatus for determining a position of a movable barrier | Christopher M. Valente, Martin Rathgebe, Mark D. Siegler, James J. Fitzgibbon | 2005-04-12 |
| 6376832 | Method and apparatus for determining a position of a movable barrier | Christopher M. Valente, Martin Rathgeber, Mark D. Siegler, James J. Fitzgibbon | 2002-04-23 |