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Inventor

GIOVANNONI RICHARD T

US7 patents
⚠️ This page may combine multiple inventors who share the name “GIOVANNONI RICHARD T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRACE W R & CO

5 patents
US5336573AAug 9, 1994

Battery separator

GRACE W R & CO135 citations96
US5281491AJan 25, 1994

Battery separator

GRACE W R & CO76 citations93
US5240655AAug 31, 1993

Process of making a battery separator

GRACE W R & CO82 citations93
US4699857AOct 13, 1987

Battery separator

GRACE W R & CO57 citations91
US5389463AFeb 14, 1995

Battery separator

GRACE W R & CO18 citations73

AHLSTROM NONWOVENS LLC

1 patent
US7935646B2May 3, 2011

Spunbonded heat seal material

AHLSTROM NONWOVENS LLC27 citations90

VIAZMENSKY HELEN

1 patent
US8216411B2Jul 10, 2012

Spunbonded heat seal material

VIAZMENSKY HELEN0 citations44