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Richard D. Smith

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  • Hudson, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arc time recording system for auto-darkening welding helmet
    • Patent number 11,883,331
    • Issue date Jan 30, 2024
    • Lincoln Global, Inc.
    • Paul H. Rumpke
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Protective mask
    • Patent number D988609
    • Issue date Jun 6, 2023
    • Lincoln Global, Inc.
    • Richard D. Smith
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Headgear of helmet
    • Patent number D948131
    • Issue date Apr 5, 2022
    • Lincoln Global, Inc.
    • Paul H. Rumpke
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Chin guard for a face shield
    • Patent number D936908
    • Issue date Nov 23, 2021
    • Lincoln Global, Inc.
    • Richard D. Smith
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Chin guard for a face shield
    • Patent number D931549
    • Issue date Sep 21, 2021
    • Lincoln Global, Inc.
    • Richard D. Smith
    • D29 - Equipment for safety, protection, and rescue

Patents Applicationslast 30 patents