Issued Patents All Time
Showing 1–4 of 4 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 |
| D297137 | Telephone set | Ludwig Richter, Dieter Kraemer, Hajo von Reyer, Wolfgang Girscher, Gerhard Sussner +1 more | 1988-08-09 |
| D294351 | Telephone set | Ludwig Richter, Dieter Kraemer, Hajo von Reyer, Wolfgang Girscher, Gerhard Sussner +1 more | 1988-02-23 |
| D294248 | Telephone set | Ludwig Richter, Dieter Kraemer, Hajo von Reyer, Wolfgang Girscher, Gerhard Sussner +1 more | 1988-02-16 |