Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343883 | Method for producing an electrophotographic recording material having dual layer of amorphous and crystallized Se | Manfred Lutz, Josef Stuke, Hubert Walsdorfer | 1982-08-10 |
| 4298671 | Tellurium layer allows vapor deposition of crystalline selenium thereon in making double layer electrophotographic record material | Manfred Lutz, Josef Stuke, Hubert Walsdorfer | 1981-11-03 |