Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899087 | Triggering circuit for series connected flash lamps | Thomas J. Hammond | 1990-02-06 |
| 4794422 | Electrophotographic reproduction machine with document exposure system directly coupled to ac line input | Richard F. Lehman, David K. Shogren, Thomas J. Hammond | 1988-12-27 |
| 4585331 | Optical scanning system utilizing linear drive motors | James G. Stoffel, William L. Statt, Jacob N. Kluger, Richard G. Ermer | 1986-04-29 |
| 4519703 | Document reproduction device utilizing a selective color illuminator | Richard F. Lehman, Roland W. Porth | 1985-05-28 |
| 4423478 | Phase controlled regulated power supply | Randolph Bullock | 1983-12-27 |