Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9728925 | Carbon brush having a centering sleeve | Reiner Pfeiffer | 2017-08-08 |
| 7094366 | Resin-bonded graphite material, method for the production of a resin bonded graphite material and use thereof | Bettina Hübner, Rainer Sperling | 2006-08-22 |