Patents by Inventor Changhe Long

Changhe Long 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).

  • Telescopic stool
    Patent number: D936382
    Type: Grant
    Filed: January 24, 2021
    Date of Patent: November 23, 2021
    Assignee: Hangzhou Longchuang Youpin Intelligent Tech Co., Ltd.
    Inventor: Changhe Long
  • Foldable table
    Patent number: D938207
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: December 14, 2021
    Assignee: Hangzhou Longchuang Youpin Intelligent Tech Co., Ltd.
    Inventor: Changhe Long
  • Pillow
    Patent number: D953069
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: May 31, 2022
    Assignee: Hangzhou Longchuang Youpin Intelligent Tech Co., Ltd.
    Inventor: Changhe Long