STAGE LIGHTING CONTROL UNITS
United States Patent 3448338

Inventors:
Bentham, Frederick Percy
Sheridan, Phillip Robert
Publication Date:
06/03/1969
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Assignee:
Frederick, Percy Bentham
Phillip, Robert Sheridan
Primary Class:
315/295
Other Classes:
315/312
International Classes:
G05B19/10; G05B19/16; H05B37/02; G05B19/04; G05F1/04; H05B37/02; H05B41/36
US Patent References:
3221214Lighting control system
3265932Automatic control equipment for a stage lighting system




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