Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275888 | Stabilizing and static removing attachment for phonograph pickup cartridge | Carl R. Anderson, Lawrence R. Happ | 1981-06-30 |
| D254004 | Phonograph cartridge and stylus assembly | Robert L. Deschamps | 1980-01-22 |