TREA

Craig Louis Althen

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  • Whitefish, MT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston valve internal combustion engine
    • Patent number 8,136,503
    • Issue date Mar 20, 2012
    • Craig Louis Althen
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...