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Stefan Barte
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Ingolstadt, DE
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last 30 patents
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Patent Grant
Exchangeable oil filter with spring-operated pin for drainage
Patent number
8,119,001
Issue date
Feb 21, 2012
Audi AG
Xaver Stemmer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Exchangeable Oil Filter With Spring-Operated Pin For Drainage
Publication number
20090078629
Publication date
Mar 26, 2009
Xaver Stemmer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL