TREA

LOUIS B. GRATZER

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  • Bellevue, WA, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    WIND-POWERED CYCLO-TURBINE
    • Publication number 20220010776
    • Publication date Jan 13, 2022
    • LOUIS B. GRATZER
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    WIND-POWERED CYCLO-TURBINE
    • Publication number 20170260966
    • Publication date Sep 14, 2017
    • LOUIS B. GRATZER
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...