Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818653 | Electrophotographic recording material with mopomeril alleptor additive | Wolfgang Wiedemann, Michael Drexler | 1989-04-04 |
| 4762760 | Electrophotographic recording material comprising a pyrazoline derivative | Wolfgang Wiedemann, Michael Drexler | 1988-08-09 |