US Patent 7178331 Exhaust system for lean burn IC engines
Patent 7178331 was granted and assigned to Johnson Matthey on February, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 3, 2003
Date of Patent
February 20, 2007
Patent Application Number
10526511
Patent Inventor Names
Martyn Vincent Twigg
0
Philip Gerald Blakeman
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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