Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426621 | Method and apparatus for generating an output voltage by detecting magnetic field | — | 2002-07-30 |
| 6400460 | Multifunction optical sensor with variable detection threshold and noise suppression | — | 2002-06-04 |
| 6354716 | Light curtain device | Richard A. Alderman | 2002-03-12 |