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John Blount
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Jupiter, FL, US
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last 30 patents
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Patent Grant
Method of changing engine oil
Patent number
7,207,417
Issue date
Apr 24, 2007
John Blount
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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last 30 patents
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Patent Application
Method of changing engine oil
Publication number
20050115769
Publication date
Jun 2, 2005
John Blount
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES