Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535345 | Ion projection printer with extended back electrode | Gene F. Day | 1985-08-13 |
| 4521792 | Ion projection printer with charge compensation source | Lloyd Douglas Clark, Gene F. Day | 1985-06-04 |