David R. Hewkin

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Portage, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Container for the coolant of an internal combustion engine
- Patent number 6,718,916
- Issue date Apr 13, 2004
- Mann & Hummel Automotive, Inc.
- David R. Hewkin
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Container for the coolant of an internal combustion engine
- Publication number 20020189559
- Publication date Dec 19, 2002
- Mann & Hummel Automotive, Inc.
- David R. Hewkin
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES