Patents by Inventor Richard J. Buchanan

Richard J. Buchanan 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: 4029894
    Abstract: A submerged repeater or equalizer housing having a clamping ring therein which dishes and resiliently presses a bulkhead toward an annular seat to compress a seal therebetween. A modified cable outer conductor connection to the bulkhead improves high frequency return loss.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: June 14, 1977
    Assignee: International Standard Electric Corporation
    Inventors: Frank L. J. Jarvis, Duncan A. Gunn, Richard J. Buchanan