Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847463 | Carbon brush for transmitting high currents | Hans-Joachim Lippert, Thomas Weber, Andreas Reetz | 2014-09-30 |
| 8323039 | Contact element | Hans-Joachim Lippert, Ulrich Ringleb | 2012-12-04 |