Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559559 | Transmitting a secondary signal with dynamic injection level control | Gerald D. Montgomery, Christopher J. Schur | 1996-09-24 |
| 5557333 | System for transparent transmission and reception of a secondary data signal with a video signal in the video band | Gerald D. Montgomery, Richard C. Gerdes | 1996-09-17 |
| 5327237 | Transmitting data with video | Richard C. Gerdes, Gerald D. Montgomery | 1994-07-05 |
| 4945225 | Signal discriminator | Christopher J. Gamgee, Peter Leigh-Jones | 1990-07-31 |
| 4474098 | Signal emitting device with adjustable beat frequency | Walter Pepersack | 1984-10-02 |
| 4431164 | Process and apparatus for producing microspheres | Guido Ledergerber | 1984-02-14 |