David J. Truluck

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Wisbech, GB

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Patents Grantslast 30 patents

Information Patent Grant
Filtration system with axial flow cartridge
- Patent number 5,427,683
- Issue date Jun 27, 1995
- Oil-Dri Corporation of America
- Norman B. Gershon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filtration system with axial flow cartridge
- Patent number 5,296,137
- Issue date Mar 22, 1994
- Oil-Dri Corporation of America
- Norman B. Gershon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE