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Henry R. Collins Jr.
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Livingston, TX, US
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last 30 patents
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Patent Grant
Self-cleaning filter system
Patent number
4,693,815
Issue date
Sep 15, 1987
Henry R. Collins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Self-cleaning liquid filter and system
Patent number
4,533,471
Issue date
Aug 6, 1985
Henry R. Collins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL