Issued Patents All Time
| 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 |
| 5020789 | Drive up teller machine | Jeffrey B. Lyerly, William E. Mott, Lance Whitehead, Matthew G. Yenik | 1991-06-04 |