Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243365 | Positively purged print cartridge | Orrin D. Christy | 1993-09-07 |
| 5132713 | Ion deposition web-fed print engine | Orrin D. Christy, Mark A. Matheis, Paul J. Paroff, James R. Halliday | 1992-07-21 |