Assignee

EDWARDS JR DAVID

2 granted patents·61 citations·filing 1981–1982

Technology mixG01L1 G01M1

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2 records

0189US4409817AVacuum leak detector and methodEDWARDS JR DAVID·Filed 1981·Granted Oct 18, 1983·47 cites·19 claims
0253US4471661AElectronic-type vacuum gauges with replaceable elementsEDWARDS JR DAVID·Filed 1982·Granted Sep 18, 1984·14 cites·16 claims

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