Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4561215 | Stylus lapping control | — | 1985-12-31 | $2,359,000 |
| 4287587 | Signal loss dectector for video disc | Richard William Nosker | 1981-09-01 | $1,689,000 |
| 4258233 | Track skipper apparatus for video disc player | — | 1981-03-24 | $2,797,000 |