Patents by Inventor Ho Man Yang

Ho Man Yang 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).

  • Sprayer device
    Patent number: D460997
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: July 30, 2002
    Inventor: Ho Man Yang