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Wilfried P. Duske
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Milwaukee, WI, US
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last 30 patents
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Patent Grant
Dehydration equipment
Patent number
4,558,525
Issue date
Dec 17, 1985
Progressive Development Incorporated
Wilfried P. Duske
C07 - ORGANIC CHEMISTRY
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Patent Grant
Fluid borne particulate separator
Patent number
4,357,152
Issue date
Nov 2, 1982
Progressive Development, Inc.
Wilfried P. Duske
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Skimmer apparatus for centrifugal separators
Patent number
4,244,716
Issue date
Jan 13, 1981
Progressive Development Inc.
Wilfried P. Duske
F26 - DRYING