Patents by Inventor Marshall Eskridge

Marshall Eskridge 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: 4020829
    Abstract: An instrument for use in catheterization of small distal branch arteries includes a guide wire having a short flexible distal section connected with a relatively long, multi-wire, axial and rotary torque transmitting section to guide a soft, thin-walled, flexible catheter through the compound curves involved in the junctions between various arterial branches. A method for catheterization of blood vessels includes the steps of sequentially advancing the catheter and guide wire to negotiate these compound turns in the arterial system.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: May 3, 1977
    Inventors: James K. V. Willson, Marshall Eskridge