Patents by Inventor Rob Chao

Rob Chao 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).

  • Patent number: D785442
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 2, 2017
    Assignee: Tonusa, LLC
    Inventors: Dan Tseng, Rob Chao, Yiu Ming Ng
  • Patent number: D787016
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 16, 2017
    Assignee: Tonusa, LLC
    Inventors: Dan Tseng, Rob Chao
  • Patent number: D787017
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 16, 2017
    Assignee: Tonusa, LLC
    Inventors: Dan Tseng, Rob Chao
  • Patent number: D787018
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 16, 2017
    Assignee: Tonusa, LLC
    Inventors: Dan Tseng, Rob Chao
  • Patent number: D787635
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 23, 2017
    Assignee: Tonusa, LLC
    Inventors: Dan Tseng, Rob Chao
  • Patent number: D875342
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: February 11, 2020
    Assignee: TONUSA, LLC
    Inventors: Dan Tseng, James Ng, Rob Chao