Patents by Inventor Maico Yang

Maico 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: D546683
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: July 17, 2007
    Assignee: Prosking Plastic Products, Inc.
    Inventor: Maico Yang
  • Trigger sprayer
    Patent number: D550079
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: September 4, 2007
    Assignee: Prosking Plastic Products Inc.
    Inventor: Maico Yang