TREA

Douglas M. Olsen

Follow

Person

  • Plain City, OH, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Silencer for internal combustion engine
    • Patent number 7,942,240
    • Issue date May 17, 2011
    • Honda Motor Co., Ltd.
    • Douglas M. Olsen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    SILENCER FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20100307865
    • Publication date Dec 9, 2010
    • Douglas M. Olsen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES