Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471171 | Digital hearing aid and method | Peter Wiener, Rainer Maas, Albert Eggert, Gerd-Wolfgang G/o/ tze | 1984-09-11 |
WP
Wolfgang K/o/ pke
Overall (All Time): #4,040,887 of 4,157,543Top 100%
1
Patents All Time