Assignee

VENABLE IND INC

US·1 granted patent·62 citations·filing 1989–1989

Technology mixB23K1 G05F1

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1 record

0186US4963715AVariable polarity power supply for weldingVENABLE IND INC·Filed 1989·Granted Oct 16, 1990·62 cites·27 claims

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