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Title:
Photographic apparatus
United States Patent 3091164
Inventors:
Brandt, Edison R.
Application Number:
US5855760A
Publication Date:
05/28/1963
Filing Date:
09/26/1960
Assignee:
POLAROID CORP
Primary Class:
Other Classes:
192/21.5
International Classes:
G03B7/083
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US Patent References:
2667237Magnetic fluid shock absorber1954-01-26
2661596Field controlled hydraulic device1953-12-08
2507182Viscous fluid shuter retard mechanism1950-05-09
1159169N/A1915-11-02