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Robert Frink
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Rock Island, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Vehicle exhaust system hose and coupling assembly
Patent number
7,273,413
Issue date
Sep 25, 2007
Robert Frink
B08 - CLEANING
Patents Applications
last 30 patents
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Patent Application
Vehicle exhaust system hose and coupling assembly
Publication number
20050189031
Publication date
Sep 1, 2005
Robert Frink
B08 - CLEANING
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Patent Application
Exhaust removal system
Publication number
20020077057
Publication date
Jun 20, 2002
Robert Frink
F24 - HEATING RANGES VENTILATING