Patents by Inventor D. Wynne Smith

D. Wynne Smith 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: 6609587
    Abstract: A frame for a work machine includes a first side wall portion having a first and second bore hole defined therein. The frame further includes a second side wall portion having a third and fourth bore hole defined therein. The first bore hole is linearly aligned with the third bore hole, and the second bore hole is linearly aligned with the fourth bore hole. The frame also includes a central wall portion having a fifth and a sixth bore hole defined therein. The central wall portion is positioned such that the fifth bore hole is linearly aligned with the first and third bore holes and the sixth bore hole is linearly aligned with the second and fourth bore holes. The frame has relatively few parts, lower manufacturing costs, and provides greater visibility to an operator of a work machine on which it is mounted.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: August 26, 2003
    Assignee: Caterpillar Inc
    Inventors: D. Wynne Smith, Allen F. Boyer
  • Patent number: D412506
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: August 3, 1999
    Assignee: Caterpillar Inc.
    Inventors: Allen F. Boyer, Dana D. Branham, R. Mark Ginn, D. Wynne Smith, David G. Surridge