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David Robert Ehlen

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  • Rochester Hills, MI, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    TRANSMISSION PAN WITH INTEGRATED HEAT EXCHANGER
    • Publication number 20170051821
    • Publication date Feb 23, 2017
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Michael G. Long
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLOW DIFFUSER FOR AN EXHAUST SYSTEM
    • Publication number 20100077742
    • Publication date Apr 1, 2010
    • GM Global Technology Operations
    • David Robert Ehlen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL