Patents by Inventor Mairo Yang

Mairo 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).

  • Trigger sprayer
    Patent number: D523337
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: June 20, 2006
    Assignee: Prosking Plastic Products Inc.
    Inventor: Mairo Yang