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COLIN STEPHENS
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Abbotsford, CA
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last 30 patents
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Patent Grant
Fluid level indicator strip
Patent number
8,181,515
Issue date
May 22, 2012
Colin Stephens
G01 - MEASURING TESTING
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last 30 patents
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Patent Application
FLUID LEVEL INDICATOR STRIP
Publication number
20100122575
Publication date
May 20, 2010
COLIN STEPHENS
G01 - MEASURING TESTING