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David Smith
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Lindon, UT, US
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last 30 patents
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Patent Grant
Current zero cross switching relay module using a voltage monitor
Patent number
8,154,841
Issue date
Apr 10, 2012
Legrand Home Systems, Inc.
Douglas E. Allen
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Current Zero Cross Switching Relay Module Using A Voltage Monitor
Publication number
20090027824
Publication date
Jan 29, 2009
VANTAGE CONTROLS, INC.
Douglas E. Allen
H01 - BASIC ELECTRIC ELEMENTS