Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4305079 | Movable ink jet gutter | — | 1981-12-08 | $10,709,000 |
| 4266231 | Ink jet with retractable electrode and secondary ink catcher | Gary A. Drago, Robert T. Ritchie | 1981-05-05 | $13,532,000 |