Patents by Inventor David J. Oldman

David J. Oldman 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: D537170
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: February 20, 2007
    Assignee: Texaco Inc.
    Inventors: David W. Takeuchi, David J. Oldman
  • Patent number: D537532
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: February 27, 2007
    Assignee: Texaco Inc.
    Inventors: David W. Takeuchi, David J. Oldman
  • Patent number: D544885
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: June 19, 2007
    Assignee: Texaco Inc.
    Inventors: David W. Takeuchi, David J. Oldman