Patents by Inventor Ronald B. Radcliffe

Ronald B. Radcliffe 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: 4990033
    Abstract: An apparatus is provided for introducing at least one optical fiber member into a tubular passageway. The apparatus comprises a pressure vessel for receiving the optical fiber member, the vessel either containing compressed air or other gas or being provided with an inlet by means of which compressed gas can be introduced. The vessel is connected to the passageway via a fiber-introducing device, e.g. a venturi or a mechanical device, which creates slack in the optical fiber member.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: February 5, 1991
    Inventors: Graham R. Handley, Neville J. Ditchfield, Ronald B. Radcliffe