Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279696 | Apparatus for reading and processing encoded information of uniting bands for webs of photographic material | Helmut Zangenfeind, Gunther Scholch, Rainer Turcke | 1994-01-18 |
| 4888613 | Method of and apparatus for processing exposed photographic films | Helmut Zangenfeind | 1989-12-19 |
| 4799076 | Apparatus for affording access to exposed but undeveloped films in a dark chamber | Helmut Zangenfeind, Gunther Domges | 1989-01-17 |
| 4732278 | Apparatus for transporting cartridge for exposed roll film | Helmut Zangenfeind, Gunther Domges | 1988-03-22 |
| 4643371 | Apparatus for unwinding exposed roll films from reels | Helmut Zangenfeind, Gunther Domges, Raimund Kugel | 1987-02-17 |
| 4621970 | Apparatus for removing reels with exposed roll films from cartridges | Helmut Zangenfeind, Gunther Domges, Raimund Kugel | 1986-11-11 |
| 4204620 | Apparatus for removing exposed films and backing strips from cassettes | — | 1980-05-27 |