Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886611 | Fuse assembly | Thomas Schaller, Stefan Kriegesmann, Holger Alksnat, Jurgen Dinger | 1999-03-23 |
| 5455073 | Method for the production of a coating material for photographic supports | Ralf-Burkhard Dethlefs, Udo Uyting | 1995-10-03 |
| 5252658 | Pigment-containing premixture of titanium dioxide with olefin polymer | Ralf-Burkhard Dethlefs, Wolfram Wysk | 1993-10-12 |
| 5049595 | Plastic concentrate for photographic support material coatings | Ralf-Burkhard Dethlefs, Wolfram Wysk | 1991-09-17 |
| 5004644 | Support material for photographic coatings | Ralf-Burkhard Dethlefs, Wolfram Wysk, Elke Miefert | 1991-04-02 |
| 4998463 | Machine for brewing coffee and the like | Hans-Jurgen Precht, Klaus Beumer | 1991-03-12 |
| 4935298 | Water-resistant support material for light-sensitive materials | Ralf-Burkhard Dethlefs, Wolfram Wysk | 1990-06-19 |
| 4898773 | Photographic paper support with a water resistant coating of polyethylene | Ralf-Burkhard Dethlefs, Wolfram Wysk | 1990-02-06 |
| 4895757 | Photographic paper support manufacture | Wolfram Wysk, Ralf-Burckhard Dethlefs | 1990-01-23 |
| 4725921 | Hinged labeling panel | — | 1988-02-16 |