Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7283880 | Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files | — | 2007-10-16 | $489,000 |
| 7076432 | Method and apparatus for processing digitally encoded audio data | Sin Hui Cheah, Tibor Csicsatka | 2006-07-11 | $318,000 |
| 6687923 | Vacuum release valve and method | John Dick | 2004-02-10 |