Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790007 | Telephone instrument | Ludwig Richter, Karl-Heinz Niederhofer, Dieter Kramer, Gerhard Sussner, Wolfgang Girscher +3 more | 1988-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790007 | Telephone instrument | Ludwig Richter, Karl-Heinz Niederhofer, Dieter Kramer, Gerhard Sussner, Wolfgang Girscher +3 more | 1988-12-06 |