TREA

David G. Dickinson

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  • La Canada Flintridge, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bollard
    • Patent number D996653
    • Issue date Aug 22, 2023
    • DELTA SCIENTIFIC CORPORATION
    • Harry D. Dickinson
    • D25 - Building units and construction elements
  • Information Patent Grant

    Portable barricade and portable barricade system
    • Patent number 11,384,493
    • Issue date Jul 12, 2022
    • DELTA SCIENTIFIC CORPORATION
    • Harry D. Dickinson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Portable bollard and barricade system
    • Patent number 10,941,531
    • Issue date Mar 9, 2021
    • DELTA SCIENTIFIC CORPORATION
    • Harry D. Dickinson
    • F41 - WEAPONS
  • Information Patent Grant

    Bollard
    • Patent number D903906
    • Issue date Dec 1, 2020
    • DELTA SCIENTIFIC CORPORATION
    • Harry D. Dickinson
    • D25 - Building units and construction elements
  • Information Patent Grant

    Portable bollard and barricade system
    • Patent number 10,407,852
    • Issue date Sep 10, 2019
    • DELTA SCIENTIFIC CORPORATION
    • Harry D. Dickinson
    • F41 - WEAPONS

Patents Applicationslast 30 patents