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Williams; Stephen G.
Baltimore, MD
No. of patents:

Patent Number Title Of Patent Date Issued
RE43177 Apparatus and method for preventing an electrical backfeed February 14, 2012
At least one aspect is directed to a transfer switch including a first input to couple a first multiphase low voltage electrical supply to the transfer switch, and a second input to couple a second multiphase low voltage electrical supply to the transfer switch. The transfer switch a

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