Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993757 | Layer support for recording materials | Gisela Günzel, Kerstin Hackmann, Jörg Bömermann, Mirko Standke | 2011-08-09 |
| 4731291 | Water-resistant photographic paper support | Alois-Bernhard Kerkhoff | 1988-03-15 |