Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319095 | Telephone handset transducer mounting | — | 1982-03-09 |
FC
Fredrick T. Cogan
Overall (All Time): #4,066,372 of 4,157,543Top 100%
1
Patents All Time