Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621240 | Centering circuit | John Barrett George | 2003-09-16 |
| 6580232 | Dynamic focus voltage amplitude controller | Robert Gries, James A. Wilber, Ronald E. Fernsler | 2003-06-17 |
| 6111371 | Switch control signal generator | Ronald E. Fernsler | 2000-08-29 |