-
-
-
-
Filter devices and methods
-
Patent number 4,399,042
-
Issue date Aug 16, 1983
-
The DeHydro Corporation
-
Forrest B. Stannard
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Filter media and filter apparatus
-
Patent number 4,340,478
-
Issue date Jul 20, 1982
-
The DeHydro Corporation
-
Forrest B. Stannard
-
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
Filtering methods
-
Patent number 4,309,292
-
Issue date Jan 5, 1982
-
The Dehydro Corporation
-
Forrest B. Stannard
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Filtering apparatus
-
Patent number 4,208,288
-
Issue date Jun 17, 1980
-
The De Hydro Corporation
-
Forrest B. Stannard
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL