Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photographic camera with means indicating the state of focus

Photographic camera with means indicating the state of focus

US Patent 4251143 · Granted Feb 17, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photographic roll-film pack with a picture-taking lens1999
Modular camera with cassette chamber accessible through outerbody1998
Method of and apparatus for applying flexible extensions to sections of photogra1994
Apparatus for storing flexible webs on the cores of takeup reels1990
Apparatus for replacing rolls of customer films in copying machines1990
Method of and apparatus for making video images1987
Automatic exposure control for automatic-focus cameras1984
Automatic exposure control for automatic-focus cameras1984
Film winding spool for photographic camera1984
Device for the electronic scanning of images1984
Film transport arrangement with perforation wheel for camera1984
Transparency viewer1983