Patents by Inventor John C. Simkins

John C. Simkins 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: D900887
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: November 3, 2020
    Assignee: Caterpillar Inc.
    Inventors: Eric M. Prater, Vuong Ngo, John C. Simkins