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Douglas Alexander Chalmers

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  • Burnaby, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle front sprocket
    • Patent number 11,788,615
    • Issue date Oct 17, 2023
    • Fox Factory, Inc.
    • Robert Erik Moore
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Chain guide
    • Patent number 11,603,167
    • Issue date Mar 14, 2023
    • Fox Factory, Inc.
    • Robert Charette
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle front sprocket
    • Patent number 11,009,112
    • Issue date May 18, 2021
    • Fox Factory, Inc.
    • Robert Erik Moore
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAIN GUIDE
    • Publication number 20230219653
    • Publication date Jul 13, 2023
    • Fox Factory, Inc.
    • Robert CHARETTE
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    CRANK IMPACT AND WEAR PROTECTION ARTICLE
    • Publication number 20230014123
    • Publication date Jan 19, 2023
    • Fox Factory, Inc.
    • Fraser ANDREW
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SEAL STRUCTURES
    • Publication number 20220411011
    • Publication date Dec 29, 2022
    • Fox Factory, Inc.
    • Douglas Alexander Chalmers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BICYCLE FRONT SPROCKET
    • Publication number 20210262559
    • Publication date Aug 26, 2021
    • Fox Factory, Inc.
    • Robert Erik Moore
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    TUBELESS TIRE INSERT
    • Publication number 20210252918
    • Publication date Aug 19, 2021
    • Fox Factory, Inc.
    • Wesley E. ALLINGER
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHAIN GUIDE
    • Publication number 20200331558
    • Publication date Oct 22, 2020
    • Fox Factory, Inc.
    • Robert CHARETTE
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE FRONT SPROCKET
    • Publication number 20190293165
    • Publication date Sep 26, 2019
    • Fox Factory, Inc.
    • Robert Erik Moore
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    BICYCLE FRONT SPROCKET
    • Publication number 20170292598
    • Publication date Oct 12, 2017
    • Fox Factory, Inc.
    • Robert Erik Moore
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS