TREA

David J. Tolley

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  • Southampton, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hazard warning system
    • Patent number 10,883,279
    • Issue date Jan 5, 2021
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING
  • Information Patent Grant

    Hazard warning system
    • Patent number 10,689,861
    • Issue date Jun 23, 2020
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING
  • Information Patent Grant

    Hazard warning system
    • Patent number 10,231,362
    • Issue date Mar 12, 2019
    • International Business Machines Corporation
    • Sarah M. Drewery
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hazard warning system
    • Patent number 10,106,990
    • Issue date Oct 23, 2018
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    HAZARD WARNING SYSTEM
    • Publication number 20200232228
    • Publication date Jul 23, 2020
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING
  • Information Patent Application

    HAZARD WARNING SYSTEM
    • Publication number 20190069448
    • Publication date Feb 28, 2019
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING
  • Information Patent Application

    HAZARD WARNING SYSTEM
    • Publication number 20180320387
    • Publication date Nov 8, 2018
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING
  • Information Patent Application

    HAZARD WARNING SYSTEM
    • Publication number 20180202171
    • Publication date Jul 19, 2018
    • International Business Machines Corporation
    • Sarah M. Drewery
    • E04 - BUILDING