Patents by Inventor Perry B. Petersen

Perry B. Petersen 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: D377326
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: January 14, 1997
    Assignee: Northrop Grumman Corporation
    Inventors: Stephen P. Grossman, Richard L. Ranes, Perry B. Petersen, Barnaby S. Wainfan