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Raymond E. Ward
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Mesa, AZ, US
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last 30 patents
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Patent Grant
Apparatus and method for filtering a fluid
Patent number
4,603,001
Issue date
Jul 29, 1986
Raymond E. Ward
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Symmetrical fluid filter apparatus with multifaceted beads
Patent number
4,528,097
Issue date
Jul 9, 1985
Raymond E. Ward
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter apparatus
Patent number
4,364,828
Issue date
Dec 21, 1982
Raymond E. Ward
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE