Patents by Inventor Dennis Spinks

Dennis Spinks 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).

  • Catheter introducer with flexible tip
    Patent number: 5300032
    Abstract: A catheter introducer has a tubular sheath with a relatively rigid tubular body and a soft flexible tubular tip for reducing sheath buckling tendencies.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: April 5, 1994
    Assignee: Mallinckrodt Medical, Inc.
    Inventors: Lee Hibbs, Yue-teh Jang, Vern Liebmann, Dennis Spinks
  • Catheter introducer with flexible tip
    Patent number: 4950257
    Abstract: A catheter introducer has a tubular sheath with a relatively rigid tubular body and a soft flexible tubular tip for reducing sheath buckling tendencies.
    Type: Grant
    Filed: September 15, 1988
    Date of Patent: August 21, 1990
    Assignee: Mallinckrodt, Inc.
    Inventors: Lee Hibbs, Yue-teh Jang, Vern Liebmann, Dennis Spinks