Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956199 | Method and apparatus for determining a position of a movable barrier | Alan Smith, Martin Rathgeber, Mark D. Siegler, James J. Fitzgibbon | 2005-10-18 |
| 6878927 | Method and apparatus for determining a position of a movable barrier | Alan Smith, Martin Rathgebe, Mark D. Siegler, James J. Fitzgibbon | 2005-04-12 |