Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6310957 | Method and apparatus for interdicting cable television channels | Michael Wyndham Heller, Byron Johnson, Ronald Lee Katz, Stephen McWilliams | 2001-10-30 | |
| 5923374 | Method and apparatus for reduced-bandwidth transmission of television signals | — | 1999-07-13 | $101,644,000 |
| 4525751 | Disc record with tapered groove | Edward J. Freeman, John Economou, John G. Pecorari, Gunter John, Jerome Barth Halter +2 more | 1985-06-25 | $1,995,000 |
| 4395737 | Video disc slow down processor with reverse color detector/corrector | James H. Wharton | 1983-07-26 | $1,464,000 |
| 4316213 | Video processor employing variable amplitude compression of the chrominance component | James H. Wharton | 1982-02-16 | $392,000 |
| 4286237 | Wide range drift compensated FM signal generator | — | 1981-08-25 | $622,000 |