Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8794725 | Direct acting vacuum control ink system | Cris R. Miller, Yahua Li | 2014-08-05 |
| 4706227 | Acoustic obstruction detector and method | Dale R. DuVall, Lew V. Hewitt, David Paul Hewitt | 1987-11-10 |
| 4459675 | Printer control system with error count averaging | Samuel E. Bigbie, Barry R. Cavill, Albert A. Nawy | 1984-07-10 |
| 4261039 | Microprocessor controlled positioning system | Gregory N. Baker, Earl T. Brown, Hortensia E. Delgado, Ludwig R. Siegl, Delbert C. Thomas, Jr. | 1981-04-07 |