Anthony Ko-Ping Chien

Person

  • Foster City, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Self-propelled device

    • Patent number 11,036,219
    • Issue date Jun 15, 2021
    • Ketchup On, Inc.
    • Kevin Li
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents