Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10307700 | Contamination indicator | Jörg Michael Wendels | 2019-06-04 |
| 7926515 | Modular unit | Norbert Sann | 2011-04-19 |
| 5736045 | Filter element with support body | Peter Bies, Michael Sakranchinsky, Jurgen Hausdorf | 1998-04-07 |
| RE30665 | Binocular telescope | Erwin Altenheiner, Volker Donn, Joachim Hornschu, Walter Jachan | 1981-07-07 |