Patents by Inventor Francis D. Theobalds

Francis D. Theobalds 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).

  • Hammer
    Patent number: D645480
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: September 20, 2011
    Assignee: Caterpillar Inc.
    Inventors: Lauritz P. Pillers, II, Francis D. Theobalds, James G. Nickels, Tommie L. Craven
  • Hammer
    Patent number: D645481
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: September 20, 2011
    Assignee: Caterpillar Inc.
    Inventors: Lauritz P. Pillers, II, Francis D. Theobalds, James G. Nickels, Tommie L. Craven