Patents by Inventor Robert P. Gibbons

Robert P. Gibbons 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: 3938529
    Abstract: A medical-grade, flexible tube is provided with a plurality of circumferentially and longitudinally spaced, flexible, directional anchoring protrusions for allowing the catheter to be moved lengthwise along a passage in one direction but to resist movement lengthwise out of the passage. Lateral apertures are provided at both ends of the tube for providing a fluid path into and out of the ends of the tube. An additional protrusion is provided at one end of the tube to resist lengthwise inward movement of the tube.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: February 17, 1976
    Inventor: Robert P. Gibbons