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David W. Armstrong

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  • Ottawa, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Biotherapeutic cell-coated microspheres
    • Patent number 5,830,507
    • Issue date Nov 3, 1998
    • National Research Council of Canada
    • David W. Armstrong
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Cell culture bioreactor
    • Patent number 4,906,577
    • Issue date Mar 6, 1990
    • Canadian Patents & Development Ltd.
    • David W. Armstrong
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Selective production of ethyl acetate and acetaldehyde by microorga...
    • Patent number 4,720,457
    • Issue date Jan 19, 1988
    • Canadian Patents & Development Ltd.
    • David W. Armstrong
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Dynamic Tensioning System and Method
    • Publication number 20120221044
    • Publication date Aug 30, 2012
    • CANICA DESIGN, INC.
    • Matthew E. Archibald
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE