Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045444 | Photographic recording material with continuous tone gradation suitable for processing in daylight | Jutta Finkener, Dieter Himmelreich, Wolfgang Reiber, Heinz Schwarz | 1991-09-03 |