Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212655 | Arrangement for ammonia feed in copying equipment | Karl-Heinz Degenhardt, Hermann Frank | 1980-07-15 |
GM
Gerhard Marx
Overall (All Time): #4,115,792 of 4,157,543Top 100%
1
Patents All Time