Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839200 | Enhanced resolution ink jet printing | William C. Hoffman, Douglas E. Weiss | 1989-06-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839200 | Enhanced resolution ink jet printing | William C. Hoffman, Douglas E. Weiss | 1989-06-13 |