Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386240 | Push-button unit for telephone sets | Gerd Philipp, Manfred Ramsaier | 1983-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386240 | Push-button unit for telephone sets | Gerd Philipp, Manfred Ramsaier | 1983-05-31 |