Patents by Inventor Kin O. Woo

Kin O. Woo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Toy telephone
    Patent number: D324086
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: February 18, 1992
    Assignee: Video Technology Industries, Inc.
    Inventor: Kin O. Woo
  • Toy cassette player
    Patent number: D334418
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: March 30, 1993
    Inventor: Kin O. Woo