Patents by Inventor Stephen A. Dresser

Stephen A. Dresser 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).

  • System and method for telephone network testing
    Patent number: 5357556
    Abstract: A system and method for testing equipment in a telephone network is disclosed for remote maintenance and verification of subscriber loops. The system and method accommodates known AC and DC fault testing techniques while improving reliability by providing duplex verification of the subscriber loop identification.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: October 18, 1994
    Assignee: Pacific Bell
    Inventor: Stephen A. Dresser