Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812466 | Infrared obstacle detection in the presence of sunlight | James D. Davis, Todd Vernaz, Stephen A. Hawley | 2004-11-02 |
| 6720884 | Sensor mounting system | James D. Davis | 2004-04-13 |
| 6693271 | Obstacle detection sensor using synchronous detection | Stephen A. Hawley | 2004-02-17 |
| 6693273 | Method and apparatus for monitoring a powered vent opening with a multifaceted sensor system | Stephen A. Hawley | 2004-02-17 |