Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8596429 | Brake disk comprising a ceramic friction ring | Hans-Georg Riedel, Bjoern Spangemacher, Gerhard Mauch | 2013-12-03 |
| 7770699 | Brake disk comprising a friction ring and a linking element | Hans-Georg Riedel, Bjoern Spangemacher | 2010-08-10 |
| 7472777 | Brake disk comprising a friction ring and a brake disk pot | Michael Niestegge, Spyridon Rigopoulos, Bjoern Spangemacher | 2009-01-06 |