Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417256 | Break-off uniformity maintenance | Van Clifton Martin, Gregory Lawrence Ream | 1983-11-22 |
| 4245225 | Ink jet head | Arthur R. Hoffman, Thomas Young | 1981-01-13 |
| 4229749 | Ink drop compensation based on print-data blocks | — | 1980-10-21 |