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CCPIT PATENT AND TRADEMARK LAW OFFICE

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotary internal combustion engine
    • Publication number 20090217903
    • Publication date Sep 3, 2009
    • CCPIT PATENT AND TRADEMARK LAW OFFICE
    • Lejun Pang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Trademarklast 30 trademarks

  • Information Trademark

    75719677
    • Serial number 75719677
    • Registration number 2443388
    • Filing date Jun 2, 1999
    • CCPIT Patent and Trademark Law Office
    • 35 - Advertising