Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315981 | Organic double layer electrophotographic recording material | — | 1982-02-16 |
WW
Wolfgang Wiedemann
Overall (1982): #22,678 of 81,411Top 30%
1
Patents 1982