Patents by Inventor Guanlin Cai

Guanlin Cai 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).

  • LED bulb
    Patent number: D744125
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: November 24, 2015
    Inventor: Guanlin Cai
  • LED lamp
    Patent number: D819239
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: May 29, 2018
    Inventor: Guanlin Cai
  • LED lamp
    Patent number: D827877
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: September 4, 2018
    Inventor: Guanlin Cai
  • LED lamp
    Patent number: D862741
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: October 8, 2019
    Inventor: Guanlin Cai
  • LED lamp
    Patent number: D862746
    Type: Grant
    Filed: July 15, 2018
    Date of Patent: October 8, 2019
    Inventor: Guanlin Cai