Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8614788 | Ophthalmic lens scanner | Spencer D. Luster, Keith Alan Flick, James Gregory Goerges, Jacob M. Schneider | 2013-12-24 |
| 4602359 | Method for determining variations from flatness in the topography of a disc surface | — | 1986-07-22 |
| 4593266 | Analog-to-digital converter/demodulator for FM signals | — | 1986-06-03 |
| 4551770 | Video disc encoding and decoding system providing intra-field track error correction | Michael A. Plotnick | 1985-11-05 |
| 4525751 | Disc record with tapered groove | Edward J. Freeman, John Economou, John G. Pecorari, Gunter John, Jerome Barth Halter +2 more | 1985-06-25 |
| 4309722 | Video disc player noise reduction circuit | — | 1982-01-05 |
| 4287689 | Method for improving the quality of low frequency output of a video disc pickup stylus | Michael J. Mindel, Michael E. Miller, James C. Rustman | 1981-09-08 |
| 4198658 | Recording/playback apparatus facilitating track skip detection | — | 1980-04-15 |
| 4183059 | Track skipper for a video disc player | — | 1980-01-08 |