Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965956 | Overhead line for electric energy transmission | Helmut Boehme, Gerd Fitterer, Bernd Smailus | 1999-10-12 |
| 5920130 | Overhead line for electrical energy transmission | Gerd Fitterer, Helmut Boehme, Norbert Graeber | 1999-07-06 |
| 4552483 | Device for covering an oblong opening in a housing | Gerold Anderka, Joachim Brandt, Gerhard Deblitz, Rolf Martens, Bernd Willimczik | 1985-11-12 |
| 4496958 | Drawing pen exchanger for computer controlled drawing machines | Joachim Brandt, Gerhard Deblitz, Jurgen Post, Bernd Willimczik, Rolf Marten +1 more | 1985-01-29 |
| 4489333 | Device for exchanging objects in particular writing instruments | Gerold Anderka, Joachim Brandt, Gerhard Deblitz, Rolf Martens, Jurgen Post +1 more | 1984-12-18 |
| 4282536 | Process and apparatus for automatic drafting devices | Rolf Martens | 1981-08-04 |