Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942390 | Method and apparatus for generating a character image | Phuc Ky Do, Karen K. Kellam, Ronnie Tong, Ronald W. Willis | 1990-07-17 |
| 4758103 | Method and apparatus for quieting the operation of a dot matrix printer | Tim V. Angst, Mark E. Bunke, Phuc Ky Do, Nicholas J. Krull, Demetrios Troupes | 1988-07-19 |
| 4619537 | Ribbon feed with ink depletion compensation | Phuc Ky Do, Barnes R. Kendrick, Jr., Dennis Hedrick, Demetrios Troupes | 1986-10-28 |