Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6052870 | Door hinge | Jorg Hagenlocher, Karl H. Koster, Robert Schwed, Ralf Mertin | 2000-04-25 |
DB
Dirk Bogner
Overall (All Time): #3,612,837 of 4,157,543Top 90%
1
Patents All Time