Assignee
PORVAIR LTD
GB·7 granted patents·245 citations·filing 1971–1988
Top patents by PatentIndex Score
7 records- 0190US4157424AProduction of porous materialsPORVAIR LTD·Filed 1971·Granted Jun 5, 1979·41 cites·27 claims
- 0287US4242464AProduction of porous materialsPORVAIR LTD·Filed 1979·Granted Dec 30, 1980·30 cites·13 claims
- 0385US4888829AGlovesPORVAIR LTD·Filed 1988·Granted Dec 26, 1989·104 cites·16 claims
- 0476US3968293AArtificial leather sheet materialPORVAIR LTD·Filed 1973·Granted Jul 6, 1976·21 cites·8 claims
- 0572US3968292AWater vapor permeable sheet materialPORVAIR LTD·Filed 1974·Granted Jul 6, 1976·28 cites·13 claims
- 0655US3982335AShoe uppersPORVAIR LTD·Filed 1971·Granted Sep 28, 1976·14 cites·8 claims
- 0724US4028451AMethod of making water vapor permeable polymer sheet materialPORVAIR LTD·Filed 1975·Granted Jun 7, 1977·7 cites·4 claims
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