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Matthew D. PeKarna
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Plymouth, MN, US
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last 30 patents
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Patent Grant
Liquid chemical dilution and dosing system
Patent number
5,746,238
Issue date
May 5, 1998
Ecolab, Inc.
Daniel F. Brady
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Solid product static brake for solid block chemical dispensers
Patent number
5,194,230
Issue date
Mar 16, 1993
Ecolab Inc.
Matthew D. PeKarna
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...