Patents by Inventor Hollis B. Austin

Hollis B. Austin 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).

  • Test instrument with flexibly connected head
    Patent number: 4533864
    Abstract: An easily portable test instrument designed to be plugged into a wall socket such as a socket forming part of a telephone modular jack assembly has a barrel part containing test and alarm circuitry the barrel part connected to a rigid jack by a flexible neck through which leads pass to electrically connect the jack to the test and alarm circuitry.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: August 6, 1985
    Assignee: Northern Telecom Limited
    Inventor: Hollis B. Austin
  • Loop test circuit
    Patent number: 4513179
    Abstract: A test circuit for testing tip and ring conditions of a loop circuit has three test links which exclusively turn on one of a plurality of light emitters to indicate a normal loop current, low current or polarity reversal condition. The circuit is energized by current within the loop and is mounted within an easily portable and manipulable body.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: April 23, 1985
    Assignee: Northern Telecom Limited
    Inventors: Lot Phillips, Hollis B. Austin, Kenneth S. Blakeslee
  • Telephone line test probe
    Patent number: D280389
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: September 3, 1985
    Assignee: Northern Telecom Limited
    Inventor: Hollis B. Austin