Patents by Inventor Stephan A. Gagneux

Stephan A. Gagneux 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).

  • Double lumen catheters
    Patent number: 4270535
    Abstract: A double lumen, single needle, catheter is provided having an improved insertion tip which aleviates the trauma induced when inserted in a blood vessel or fistula.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: June 2, 1981
    Assignee: Hospal Medical Corp.
    Inventors: Beuford A. Bogue, Stephan A. Gagneux