Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655042 | Molded slotted optical switch structure and method | David L. Vowles | 1997-08-05 |
| 5258610 | Method and apparatus for sensing the presence of a sheet by sheet causing attenuation of radiation | — | 1993-11-02 |