Patents by Inventor Lei Ping

Lei Ping 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).

  • Two-layer mattress spring unit
    Patent number: D850160
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: June 4, 2019
    Assignee: BOMEI TEX LTD.
    Inventor: Lei Ping
  • Three-layer mattress spring unit
    Patent number: D850161
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: June 4, 2019
    Assignee: BOMEI TEX LTD.
    Inventor: Lei Ping