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Title:
Film-feeding mechanism
United States Patent 2521957
Inventors:
Otto, Wittel
Jungjohann, Vernon H.
Application Number:
US8500649A
Publication Date:
09/12/1950
Filing Date:
04/01/1949
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
74/54
International Classes:
G03B1/22
View Patent Images:
US Patent References:
2449693Kinetograph movement1948-09-21
2168771Intermittent feed device1939-08-08