Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5291028 | Optical device for sensing marks on a surface using green light impinging at least sixty-five degrees to the normal | David A. Droge, Ralf Fischer | 1994-03-01 | $8,706,000 |