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William A. Hilgenberg

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  • Ben Lomond, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE GEARBOX HAVING SEGMENTED SPROCKETS
    • Publication number 20230365221
    • Publication date Nov 16, 2023
    • Praxis Works LLC
    • David ALLEN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE GEARBOX HAVING SEGMENTED SPROCKETS
    • Publication number 20230242211
    • Publication date Aug 3, 2023
    • Praxis Works LLC
    • David M. Earle
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE GEARBOX HAVING SEGMENTED SPROCKETS
    • Publication number 20210245836
    • Publication date Aug 12, 2021
    • Praxis Works LLC
    • David M. Earle
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE GEARBOX HAVING SEGMENTED SPROCKETS
    • Publication number 20210139104
    • Publication date May 13, 2021
    • Praxis Works LLC
    • David M. Earle
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE GEARBOX HAVING SEGMENTED SPROCKETS
    • Publication number 20200377174
    • Publication date Dec 3, 2020
    • Praxis Works LLC
    • David ALLEN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE GEARBOX HAVING SEGMENTED SPROCKETS
    • Publication number 20200263767
    • Publication date Aug 20, 2020
    • Praxis Works LLC
    • David ALLEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC HOSE COUPLING FOR HELMET FORCED AIR HOSE
    • Publication number 20200124217
    • Publication date Apr 23, 2020
    • BELL SPORTS, INC.
    • Arvand Ghodrati
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...