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Richard J. Mehus
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Minneapolis, MN, US
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last 30 patents
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Patent Grant
Apparatus and method for mixing and dispensing chemical concentrate...
Patent number
5,203,366
Issue date
Apr 20, 1993
Ecolab Inc.
Stephen J. Czeck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Backflushing system
Patent number
4,462,425
Issue date
Jul 31, 1984
Economics Laboratory, Inc.
Richard J. Mehus
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Fail-safe valve
Patent number
4,372,345
Issue date
Feb 8, 1983
Economics Laboratory, Inc.
Richard J. Mehus
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...