Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635099 | Apparatus for detecting nonstandard video signals | Warren H. Nicholson | 1987-01-06 |
| 4616251 | Progressive scan television system employing a comb filter | Dalton H. Pritchard | 1986-10-07 |
| 4573068 | Video signal processor for progressive scanning | Denis P. Dorsey, Dalton H. Pritchard | 1986-02-25 |
| 4562458 | Circuit for coupling a three terminal filter to a signal path using one interface connection | — | 1985-12-31 |
| 4558347 | Progressive scan television system employing vertical detail enhancement | Dalton H. Pritchard | 1985-12-10 |
| 4550336 | Progressive scan speed-up processor | — | 1985-10-29 |
| 4422052 | Delay circuit employing active bandpass filter | Bernard J. Yorkanis | 1983-12-20 |
| 4224638 | Frequency multiplier for use with CCD comb filter | Dalton H. Pritchard, William A. Lagoni | 1980-09-23 |