Patents by Inventor Michell D. Visser

Michell D. Visser 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).

  • Operating stage
    Patent number: 5857965
    Abstract: An operating stage is formed by a rigid ring and is provided with a resilient wedge forming helically wound spring that forms a plurality of resilient pressure applying, suture gripping wedging clamps around the stage and positioned adjacent to the bottom outside corner of the stage.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: January 12, 1999
    Assignee: The University of British Columbia
    Inventors: Jack Rootman, Michell D. Visser, Antony J. Hodgson, Christian Caritey