Patents Represented by Attorney Jeffrey A. Ruppel

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  • Engine exhaust treatment device housing
    Patent number: D645477
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: September 20, 2011
    Assignee: Caterpillar Inc.
    Inventors: Ryan M Duffek, Thomas V. Staley, Richard A. Crandell
  • Engine exhaust treatment device housing
    Patent number: D645882
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: September 27, 2011
    Assignee: Caterpillar Inc.
    Inventors: Ryan M. Duffek, Thomas V. Staley, Richard A. Crandell
  • Grille surround of a truck
    Patent number: D655226
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: March 6, 2012
    Assignee: Caterpillar Inc.
    Inventors: Eric J. Hanson, Gary C. Bryant, Joseph F. deNatale, Marcey Collins
  • Hood of a truck
    Patent number: D655227
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: March 6, 2012
    Assignee: Caterpillar Inc.
    Inventors: Eric J. Hanson, Gary C. Bryant, Paul X. Buescher, Marcey Collins, Susan M. LaBounty, Gregory C. Miller, Sandeep Premkumar, James R. Therrien, Erik C. Wilson, Joseph F. deNatale, Jerry Connett, Kim Hemme
  • Bumper of a truck
    Patent number: D655652
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: March 13, 2012
    Assignee: Caterpillar Inc.
    Inventors: Eric J. Hanson, Jennifer E. Alday, Joseph F. deNatale, Brenda K. Baeumler, Shawn W. Hamrick, Marcey Collins