Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764957 | Earpiece, telephone handset and headphone intended to correct individual hearing deficiencies | Theophile M. Angelini, Georges Canevet, Marc S. Foti | 1988-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764957 | Earpiece, telephone handset and headphone intended to correct individual hearing deficiencies | Theophile M. Angelini, Georges Canevet, Marc S. Foti | 1988-08-16 |