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John A. Mathisrud
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Mendota Heights, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Drain washing apparatus
Patent number
7,063,095
Issue date
Jun 20, 2006
Ecolab Inc.
S. John Barcay
B08 - CLEANING
Patents Applications
last 30 patents
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Patent Application
Drain washing apparatus
Publication number
20030230325
Publication date
Dec 18, 2003
S. John Barcay
B08 - CLEANING