Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084712 | Head tending method and apparatus for an ink jet printer | Allan G. Hock, John Gary Sousa, Calvin M. Winey | 1992-01-28 |
| 4968994 | Head tending apparatus for an ink jet printer | Allan G. Hock, John Gary Sousa, Calvin M. Winey | 1990-11-06 |