Patents by Inventor Matthew T. Keeley

Matthew T. Keeley 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).

  • Tracked feller-buncher upper
    Patent number: D451933
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: December 11, 2001
    Assignee: Caterpillar Inc.
    Inventors: John F. Brandenburg, Elmer R. Crabb, Matthew T. Keeley, Craig B. Kelley, Charles H. Menke
  • Cab/counterweight upper for tracked feller-buncher
    Patent number: D455763
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: April 16, 2002
    Assignee: Caterpillar Inc.
    Inventors: John F. Brandenburg, III, Elmer R. Crabb, Matthew T. Keeley, Craig B. Kelley, Charles H. Menke
  • Engine enclosure for tracked feller-buncher
    Patent number: D462701
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: September 10, 2002
    Assignee: Caterpillar Inc.
    Inventors: Elmer R. Crabb, Matthew T. Keeley, Craig B. Kelley, Charles H. Menke