Inventor
SCHWARZBACH RICHARD J
4 patents
Patents
4 patentsUS4418333ANov 29, 1983
Appliance control system
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US4138670AFeb 6, 1979
A.C. powered detecting device with battery backup
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US4138664AFeb 6, 1979
Warning device
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US4091363AMay 23, 1978
Self-contained fire detector with interconnection circuitry
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