Kelvin Koon Wan Yao

Person

  • Kendal Park, NJ, US

Patents Applicationslast 30 patents

  • Information Patent Application

    OUT-OF-PHASE ELECTRICAL WELDER AND PROCESS

    • Publication number 20090250440
    • Publication date Oct 8, 2009
    • Tze-Yee Ryan YAP
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL