Patents by Inventor Terry E. Hoff

Terry E. Hoff 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 station testing apparatus
    Patent number: 4701699
    Abstract: A telephone station test set performs voltage and polarity checks on four and six wire systems. Both four and six wire jacks are provided which are coupled to LED networks. A switch is provided so that both "intercom" and "data" pairs of a six wire system can be tested by the same LED networks.
    Type: Grant
    Filed: September 4, 1985
    Date of Patent: October 20, 1987
    Assignee: General Telephone Company of Indiana
    Inventor: Terry E. Hoff