Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291028 | Optical device for sensing marks on a surface using green light impinging at least sixty-five degrees to the normal | Ralf Fischer, Marcus Spieth | 1994-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291028 | Optical device for sensing marks on a surface using green light impinging at least sixty-five degrees to the normal | Ralf Fischer, Marcus Spieth | 1994-03-01 |