David N. Sambrook

Person

  • Toronto, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Detectable warnings

    • Patent number 10,344,434
    • Issue date Jul 9, 2019
    • Kenneth E. Szekely
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    DETECTABLE WARNINGS

    • Publication number 20170096784
    • Publication date Apr 6, 2017
    • Kenneth E. Szekely
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DETECTABLE WARNINGS

    • Publication number 20140286702
    • Publication date Sep 25, 2014
    • ENGINEERED PLASTICS INC.
    • Kenneth E. Szekely
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Picture display system

    • Publication number 20050115124
    • Publication date Jun 2, 2005
    • David T. Murray
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...