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David N. Erwin

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  • San Antonio, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microwave-sensitive article
    • Patent number 5,658,673
    • Issue date Aug 19, 1997
    • The United States of America as represented by the Secretary of the Air Force
    • Eric A. Holwitt
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Blood and tissue rewarming device
    • Patent number 5,374,811
    • Issue date Dec 20, 1994
    • The United States of America as represented by the Secretary of the Air Force
    • Johnathan L. Kiel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method of culturing cells in a flow-through cell cultivation system
    • Patent number 5,089,385
    • Issue date Feb 18, 1992
    • The United States of America as represented by the Secretary of the Air Force
    • Johnathan L. Kiel
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Flow-through cell cultivation system
    • Patent number 5,028,541
    • Issue date Jul 2, 1991
    • The United States of America as represented by the Secretary of the Air Force
    • Johnathan L. Kiel
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Quantitative luminescence imaging system
    • Patent number 4,948,975
    • Issue date Aug 14, 1990
    • The United States of America as represented by the Secretary of the Air Force
    • David N. Erwin
    • G01 - MEASURING TESTING