Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947431 | Held music history circuit | Richard Stroud, Fred J. Anderson, Douglas E. White, Jeffrey J. Marrah, Gregory J. Manlove | 1990-08-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947431 | Held music history circuit | Richard Stroud, Fred J. Anderson, Douglas E. White, Jeffrey J. Marrah, Gregory J. Manlove | 1990-08-07 |