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Popelar Filter Co., Inc.
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Tecumseh, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Liquid clarifier additive for machine tool coolants
Patent number
6,277,793
Issue date
Aug 21, 2001
Popelar Filter Co., Inc.
Frank J. Popelar
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...