Patents by Inventor Duane G. Stemmons

Duane G. Stemmons 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).

  • Computer network interconnecting apparatus
    Patent number: 4839531
    Abstract: An interconnect device permits use of 150 ohm twisted pair transmission lines to interconnect computers designed for use with 75 ohm coaxial cable. The device includes a pair of toroidal transformers mounted in an aluminum housing and separated by a Faraday shield. The primary winding of each transformer is connected to a separate coaxial connector. The second winding of each transformer is connected over a separate a twisted conductor pair to one terminal of a balanced data connector assembly.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: June 13, 1989
    Assignee: The Boeing Company
    Inventors: Duane G. Stemmons, John P. Noonan