Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491433 | Venting and ink recycling device | Kenneth A. Robert | 1985-01-01 |
| 4400102 | Multi-color print head | Richard A. Williams | 1983-08-23 |
| 4381896 | Print head mounting assembly with form adjustment | — | 1983-05-03 |
| 4353654 | Direct ink delivery system for print heads utilizing adjustable means for controlling ink flows | — | 1982-10-12 |
| 4279519 | Dot matrix printing device employing novel image transfer technique for printing on single ply or multiple ply print receiving media | — | 1981-07-21 |