Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4234836 | Phonograph turntable control system | Harry Gaus, Jeffrey Johnson, Dietwald Schotte | 1980-11-18 |
| 4195846 | Phonograph turntable control system | Harry Gaus, Dietwald Schotte | 1980-04-01 |