Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816378 | Imaging system | Stephen R. Powers, Peter J. Finn | 1989-03-28 |
| 4814827 | Photographic color proofing apparatus | Jonathan P. Kitchin, Stephen R. Powers, Keith A. Penfound, Peter J. Finn | 1989-03-21 |