Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260730 | Optical overhead projector for electronic images | Richard E. Williams, Ernest F. Clough | 1993-11-09 |
| 5063297 | Apparatus for detecting fluorescence of a luminescent material | James M. Hardenbrook, Richard E. Williams | 1991-11-05 |
| 5030832 | Apparatus for detecting fluorescence of a luminescent material | Richard E. Williams | 1991-07-09 |