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Yefim Spektor

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  • Mason, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual-stage spring loaded caster
    • Patent number 10,518,578
    • Issue date Dec 31, 2019
    • Hamilton Caster & Manufacturing Company
    • Yefim Spektor
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Swivel caster with swivel limiter and slide mechanism
    • Patent number 9,757,980
    • Issue date Sep 12, 2017
    • Hamilton Caster & Manufacturing Company
    • Lester Jones
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Caster wheel braking systems
    • Patent number 9,527,347
    • Issue date Dec 27, 2016
    • Hamilton Caster & Manufacturing Company
    • Yefim Spektor
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Caster wheel braking systems
    • Patent number 9,168,785
    • Issue date Oct 27, 2015
    • Hamilton Caster & Manufacturing Company
    • Yefim Spektor
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    CASTER WHEEL BRAKING SYSTEM
    • Publication number 20160009132
    • Publication date Jan 14, 2016
    • HAMILTON CASTER & MANUFACTURING COMPANY
    • Yefim Spektor
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CASTER WHEEL BRAKING SYSTEMS
    • Publication number 20150210114
    • Publication date Jul 30, 2015
    • HAMILTON CASTER & MANUFACTURING COMPANY
    • Yefim Spektor
    • B60 - VEHICLES IN GENERAL