Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842077 | Device for the automatic removal of a photographic film from a cartridge | Helmut Zangenfeind, Jurgen Brunner, Reinhart Wuerfel, Raimund Kugel | 1998-11-24 |
| 4799076 | Apparatus for affording access to exposed but undeveloped films in a dark chamber | Helmut Zangenfeind, Reinhart Wurfel | 1989-01-17 |
| 4732278 | Apparatus for transporting cartridge for exposed roll film | Helmut Zangenfeind, Reinhart Wurfel | 1988-03-22 |
| 4643371 | Apparatus for unwinding exposed roll films from reels | Reinhart Wurfel, Helmut Zangenfeind, Raimund Kugel | 1987-02-17 |
| 4621970 | Apparatus for removing reels with exposed roll films from cartridges | Reinhart Wurfel, Helmut Zangenfeind, Raimund Kugel | 1986-11-11 |