Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Film transport arrangement with perforation wheel for camera

Film transport arrangement with perforation wheel for camera

US Patent 4437751 · Granted Mar 20, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photographic roll-film pack with a picture-taking lens1999
Photographic roll-film pack with a picture-taking lens1999
Modular camera with cassette chamber accessible through outerbody1998
Modular camera with cassette chamber accessible through outerbody1998
Apparatus for transferring a warp thread exchange system into a loom1994
Method of and apparatus for applying flexible extensions to sections of photogra1994
Method of and device for separably connecting webs of photosensitive material to1994
Source distance adjustment arrangement for uniform illumination of projection su1993
Projection copying apparatus and projection screen therefor1991
Film magazine1991
Apparatus for storing flexible webs on the cores of takeup reels1990
Apparatus for replacing rolls of customer films in copying machines1990