HPN Holdings, Inc.

Organization

  • Carson City, NV, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Mobile elliptically driven device

    • Patent number 7,803,090
    • Issue date Sep 28, 2010
    • HPN Holdings, Inc.
    • David W. Kraus
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

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