Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10418643 | Bipolar plate for electrochemical cells and method for the production thereof | Vitali Weissbecker, Werner Lehnert | 2019-09-17 |
| 5054459 | Preheating device for internal combustion engine intake air and method of making same | Jurgen Kretschmer, Klaus Brecht | 1991-10-08 |