Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490796 | Print head motor control system using analog and digital feedback | Samuel E. Bigbie, Barry R. Cavill, David F. Dodgen | 1984-12-25 |
| 4459675 | Printer control system with error count averaging | John E. Bateson, Samuel E. Bigbie, Barry R. Cavill | 1984-07-10 |