Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Copier for photographic originals having different sizes

Copier for photographic originals having different sizes

US Patent 4647190 · Granted Mar 3, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photographic printing apparatus with means for generation of video signals2003
Photograph copier using a diffusing means to enable scanning with a hard light a1998
Compensating for evaporation from a photographic processing vessel1998
Method and apparatus for printing photographs of different formats1998
Method and apparatus for printing photographs of different formats1998
Method of printing photographs and apparatus for carrying out the method1997
Method of and apparatus for removing exposed film from cartridges1996
Method of and apparatus for measuring the optical density of a photographic nega1996
Cassette for supplying webs of photosensitive material to copying machines1994
Method of and apparatus for applying flexible extensions to sections of photogra1994
Apparatus for making prints of exposed and developed photographic films1994
Method of and apparatus for ascertaining the characteristics of shorter and long1994