Patents by Inventor Mei-Hsin Yu

Mei-Hsin Yu 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).

  • Chopping board
    Patent number: D434618
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: December 5, 2000
    Inventor: Mei-Hsin Yu
  • Chopping board
    Patent number: D434953
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: December 12, 2000
    Inventor: Mei-Hsin Yu