Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490420 | Security method for a smart card | — | 2002-12-03 |
| 6351618 | Method of using a security system for replaceable cartridges for printing machines | — | 2002-02-26 |
| 5500659 | Method and apparatus for cleaning a printhead maintenance station of an ink jet printer | Donald P. Curran, Jr., David P. Breemes, Sr., Leonard M. Carreira, Thomas J. Trenchard | 1996-03-19 |
| 5438351 | Vacuum priming diagnostic cartridge | Thomas J. Trenchard, Donald P. Curran, Jr. | 1995-08-01 |