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John Keller

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  • Ellicott City, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety light
    • Patent number 11,691,562
    • Issue date Jul 4, 2023
    • John Keller
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety light
    • Patent number 11,352,087
    • Issue date Jun 7, 2022
    • John Keller
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    SAFETY LIGHT
    • Publication number 20220297594
    • Publication date Sep 22, 2022
    • John Keller
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SAFETY LIGHT
    • Publication number 20210129932
    • Publication date May 6, 2021
    • John Keller
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS