Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5649234 | Method and apparatus for encoding graphical cues on a compact disc synchronized with the lyrics of a song to be played back | Walt Klappert, Michael Lehman | 1997-07-15 | $167,587,000 |