Oscillatory display device having bimetallic actuator
United States Patent 2817916
US Patent References:
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Inventors:
Lou, Allen Mary
Brinckerhoff, Richard F.
Publication Date:
12/31/1957
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Assignee:
BETTS & BETTS CORP
Primary Class:
40/614
Other Classes:
40/423, 310/307
International Classes:
G09F11/23; G09F11/00
US Patent References:
2285913Modulating control device
2555882Thermoelectric motor
2687005Heat-actuated device for imparting oscillating motion