Patents by Inventor Brent Hawkley Undhjem

Brent Hawkley Undhjem 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: 4035587
    Abstract: A system for use in a telephone switching office for coupling telephone connector switches either to line group switches or to call intercept apparatus. The system includes a plurality of number terminal blocks and group terminal blocks, each of which have groups of terminal posts. Certain terminal posts of each group of the number terminal blocks are coupled to connector switches and certain other terminal posts are coupled to the call intercept apparatus. Certain of the terminal posts of each group of the group terminal blocks are coupled to line group switches. Also included is a plurality of switching tools, each of which is mounted on a different group of terminal posts of the number terminal blocks and each of which includes a first and second group of terminal posts.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: July 12, 1977
    Inventors: Brent Hawkley Undhjem, Lorin Mark Graehl, Andy James Bavelas