Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530644 | Method and apparatus for cleaning fluid ejection cartridge and maintenance station | Karai P. Premnath, Thomas J. Trenchard, Leonard M. Carreira | 2003-03-11 |
| 5500659 | Method and apparatus for cleaning a printhead maintenance station of an ink jet printer | Lonnie J. Pollocks, Jr., David P. Breemes, Sr., Leonard M. Carreira, Thomas J. Trenchard | 1996-03-19 |
| 5438351 | Vacuum priming diagnostic cartridge | Thomas J. Trenchard, Lonnie J. Pollocks, Jr. | 1995-08-01 |