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DJH Engineering Center, Inc.

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  • Salt Lake City, UT, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-purpose uni-body digging service vehicle
    • Patent number 5,147,011
    • Issue date Sep 15, 1992
    • DJH Engineering Center, Inc.
    • Dusan J. Hvolka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Multi-purpose service vehicle
    • Patent number 5,082,082
    • Issue date Jan 21, 1992
    • DJH Engineering Center, Inc.
    • Dusan J Hvolka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Variable speed transmission
    • Patent number 4,856,378
    • Issue date Aug 15, 1989
    • DJH Engineering Center, Inc.
    • Dusan J. Hvolka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Direct drive electric shift two speed planetary gearbox
    • Publication number 20100267508
    • Publication date Oct 21, 2010
    • DJH Engineering Center, Inc.
    • Dusan J. Hvolka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Two speed planetary electric shift gearbox
    • Publication number 20090247346
    • Publication date Oct 1, 2009
    • DJH Engineering Center, Inc.
    • Dusan J. Hvolka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks