Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672672 | Miniature hearing aid | Albert Eggert, Manfred Muller, Peter Wiener | 1987-06-09 |
| 4280705 | Record player | Kurt Eisemann | 1981-07-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672672 | Miniature hearing aid | Albert Eggert, Manfred Muller, Peter Wiener | 1987-06-09 |
| 4280705 | Record player | Kurt Eisemann | 1981-07-28 |