Patents by Inventor Kyong Shik Choi

Kyong Shik Choi 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).

  • Valve cover
    Patent number: D769942
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: October 25, 2016
    Assignee: Caterpillar Inc.
    Inventors: Kyong Shik Choi, Travis Petry-Johnson
  • Belt cover
    Patent number: D771146
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: November 8, 2016
    Assignee: Caterpillar Inc.
    Inventors: Kyong Shik Choi, Travis Petry-Johnson
  • Belt cover
    Patent number: D788177
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: May 30, 2017
    Assignee: Caterpillar Inc.
    Inventors: Kyong Shik Choi, Travis Petry-Johnson
  • Valve cover
    Patent number: D788824
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: June 6, 2017
    Assignee: Caterpillar Inc.
    Inventors: Kyong Shik Choi, Travis Petry-Johnson