Assignee

MCDONALD THOMAS MICHAEL

1 granted patent·23 citations·filing 1974–1974

Technology mixH02H1

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1 record

0172US3944891ACircuit for verifying correct connections to a three-wire dual voltage power distribution system and the absence of open circuit conditions thereinMCDONALD THOMAS MICHAEL·Filed 1974·Granted Mar 16, 1976·23 cites·13 claims

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