Patents by Inventor David V. Bartram

David V. Bartram 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).

  • Communication via leaky cables
    Patent number: 5465395
    Abstract: A communication system that utilises leaky feeder cables (1) has a ruggedised tubular housing (8). The housing is preferably made of stainless steel, and to enable ingress and egress of signals the housing is provided with discontinuities. The discontinuities are preferably arranged to establish a regular pattern on the signals.
    Type: Grant
    Filed: January 27, 1994
    Date of Patent: November 7, 1995
    Inventor: David V. Bartram