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Jeffrey Alan Lewis
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Evans, CO, US
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last 30 patents
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Patent Grant
Valve gasket sealing surface refurbishing methods and systems
Patent number
7,662,026
Issue date
Feb 16, 2010
Matheson Tri-Gas, Inc.
Jeffrey Alan Lewis
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
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Patent Application
VALVE GASKET SEALING SURFACE REFURBISHING METHODS AND SYSTEMS
Publication number
20070218820
Publication date
Sep 20, 2007
Matheson Tri-Gas, Inc.
Jeffrey Alan Lewis
B24 - GRINDING POLISHING