Baiqiang Ren

Person

  • Richmond, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Classroom system

    • Patent number 10,152,297
    • Issue date Dec 11, 2018
    • Lightspeed Technologies, Inc.
    • David M. Jordahl
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents