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Robert R. Ostby
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Muskegon, MI, US
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last 30 patents
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Patent Grant
Pneumatic shock wave generator for cleaning filter cartridges
Patent number
4,624,689
Issue date
Nov 25, 1986
Mike Volk Co., Inc.
Michael Volk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Effluent air filtration apparatus
Patent number
4,445,912
Issue date
May 1, 1984
The Mike Volk Co., Inc.
Michael Volk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL