Patents by Inventor Saiping Ma

Saiping Ma 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).

  • Paint scraper
    Patent number: D992850
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: July 18, 2023
    Assignee: Dongguan Huida Plastic Products Co., Ltd.
    Inventor: Saiping Ma
  • Mop
    Patent number: D1004875
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: November 14, 2023
    Assignee: Dongguan Huida Plastic Products Co., Ltd.
    Inventor: Saiping Ma