Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397012 | Electrodynamic pickup cartridge having simplified coil structure | — | 1983-08-02 |
| 4237347 | Electrodynamic transducer with longitudinally moving magnet | Sergei V. Burundukov | 1980-12-02 |