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Inventor

CHOI WAI M

US10 patents
⚠️ This page may combine multiple inventors who share the name “CHOI WAI M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRACE W R & CO

5 patents
US4734344AMar 29, 1988

Battery separator

GRACE W R & CO36 citations92
US5384211AJan 24, 1995

Oxidation resistant enveloped separator

GRACE W R & CO41 citations91
US5154988AOct 13, 1992

Deep cycle battery separators

GRACE W R & CO39 citations91
US4699857AOct 13, 1987

Battery separator

GRACE W R & CO57 citations91
US4369236AJan 18, 1983

Battery separator

GRACE W R & CO27 citations81

DARAMIC INC

2 patents
US5618642AApr 8, 1997

Battery separator with sodium sulfate

DARAMIC INC35 citations89
US5478677ADec 26, 1995

Composite gauntlet/separator

DARAMIC INC40 citations86

KVG TECHNOLOGIES INC

1 patent
US6680144B2Jan 20, 2004

Battery separator

KVG TECHNOLOGIES INC21 citations91

HOLLINGSWORTH & VOSE CO

1 patent
US7964012B2Jun 21, 2011

Filter media with improved conductivity

HOLLINGSWORTH & VOSE CO11 citations80

CHOI WAI M

1 patent
US8663358B2Mar 4, 2014

Filter media with improved conductivity

CHOI WAI M5 citations76