Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274811 | Phonograph cartridge | Robert L. Deschamps | 1984-07-24 |
| D274812 | Phonograph stylus | Robert L. Deschamps | 1984-07-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274811 | Phonograph cartridge | Robert L. Deschamps | 1984-07-24 |
| D274812 | Phonograph stylus | Robert L. Deschamps | 1984-07-24 |