Donald R. Gradwohl

Person

  • Albany, OR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Wind driven power generator

    • Patent number 8,011,876
    • Issue date Sep 6, 2011
    • Donald R. Gradwohl
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    Wind driven power generator

    • Publication number 20080101932
    • Publication date May 1, 2008
    • Donald R. Gradwohl
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...