Patents by Inventor Robert Marles

Robert Marles 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).

  • Apparatus by which auxiliary slide-in units are connected to slide-in units
    Patent number: 4930046
    Abstract: A plurality of slide-in unit connectors are provided for receiving the slide-in units or the auxiliary slide-in units. The slide-in unit connectors are wired to at least three cable connectors in such manner that when a first cable connector only is used, each slide-in unit connector is connected to receive a respective slide-in unit, when a second cable connector only is used, one of the slide-in unit connectors is connected to receive an auxiliary slide-in unit; and when a third cable connector only is used, two of the slide-in unit connectors are connected to receive in tandem a respective auxiliary slide-in unit.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: May 29, 1990
    Assignee: GEC Plessey Telecommunications Limited
    Inventors: Raymond D. Smith, Robert Marles