Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628367 | Method and device for reading digital data in an optical mass memory system using electrophotography | Manfred R. Kuehnle, Lysle D. Cahill, John C. Butler | 1986-12-09 |
| 4515879 | Optical mass memory system using electrophotography | Manfred R. Kuehnle, Lysle D. Cahill, John C. Butler | 1985-05-07 |