TREA

David M. Heffelfinger

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  • Sequim, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle testing lamp apparatus, system, and method
    • Patent number 7,948,184
    • Issue date May 24, 2011
    • Luminys Systems Corp.
    • David M. Heffelfinger
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical analysis systems
    • Patent number 6,995,901
    • Issue date Feb 7, 2006
    • Alpha Innotech Corporation
    • David M. Heffelfinger
    • G02 - OPTICS
  • Information Patent Grant

    Optical analysis systems
    • Patent number 6,853,454
    • Issue date Feb 8, 2005
    • Alpha Innotech Corporation
    • David M. Heffelfinger
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Vehicle testing lamp apparatus, system, and method
    • Publication number 20080116814
    • Publication date May 22, 2008
    • David M. Heffelfinger
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Optical analysis systems
    • Publication number 20050157299
    • Publication date Jul 21, 2005
    • David M. Heffelfinger
    • G01 - MEASURING TESTING
  • Information Patent Application

    Optical analysis systems
    • Publication number 20050157385
    • Publication date Jul 21, 2005
    • David M. Heffelfinger
    • G02 - OPTICS
  • Information Patent Application

    Identifying indicia and focusing target
    • Publication number 20040150217
    • Publication date Aug 5, 2004
    • David M. Heffelfinger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL