Patents by Inventor Lewis F. Travis

Lewis F. Travis 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).

  • Telephone security device
    Patent number: D362855
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: October 3, 1995
    Assignee: AT&T Corp.
    Inventors: Ernest M. Bevilacqua, Wayne T. Driscoll, Michael M. Kaplan, Lewis F. Travis