Patents by Inventor Michael T. Lumbers

Michael T. Lumbers 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).

  • Excavator tool carrier
    Patent number: D511531
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: November 15, 2005
    Assignee: The Charles Machines Works, Inc.
    Inventors: Cody L. Sewell, Jeffrey D. Smith, Michael T. Lumbers
  • Excavator tool carrier
    Patent number: D527027
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: August 22, 2006
    Assignee: The Charles Machine Works, Inc.
    Inventors: Jeffrey D. Smith, Cody L. Sewell, Michael T. Lumbers
  • Excavator tool carrier with cab
    Patent number: D538305
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: March 13, 2007
    Assignee: The Charles Machine Works, Inc.
    Inventors: Jeffrey D. Smith, Cody L. Sewell, Michael T. Lumbers