Patents by Inventor Thomas E. Hagensick

Thomas E. Hagensick 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).

  • Automatically testing telephone lines
    Patent number: 5073919
    Abstract: A method of testing a telephone line including installing a test call unit at an end of the telephone line at which a customer's equipment is connected, automatically initiating a telephone line test at the module, performing the telephone line test, and transmitting the results of the line test over the telephone line.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: December 17, 1991
    Assignee: Teradyne, Inc.
    Inventor: Thomas E. Hagensick