Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31271 | Ink jet printing apparatus | Dennis E. Bok, Robert W. Coulter, George W. Denlinger, Clifford S. Fernalld, Jr., Charlie H. Hill, Jr. +3 more | 1983-06-07 |
| 4283731 | Ink jet printing apparatus | Dennis E. Bok, Robert W. Coulter, George W. Denlinger, Clifford S. Fernalld, Jr., Charlie H. Hill, Jr. +3 more | 1981-08-11 |