Patents by Inventor Leo C. Mercer

Leo C. Mercer 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).

  • Method of using a surgical clip for cholangiography
    Patent number: 4744788
    Abstract: A surgical clip is disclosed. The clip may be used to anchor a cholangiographic catheter that has been previously inserted into the cystic duct to the position it has been placed within the cystic duct.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: May 17, 1988
    Inventor: Leo C. Mercer, Jr.
  • Surgical clip for cholangiography
    Patent number: 4733666
    Abstract: A surgical clip is disclosed. The clip may be used to anchor a cholangiographic catheter that has been previously inserted into the cystic duct to the position it has been placed within the cystic duct.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: March 29, 1988
    Assignee: Texas Tech University Health Sciences Center
    Inventor: Leo C. Mercer, Jr.
  • Immobilization of Streptokinase
    Patent number: 4305926
    Abstract: The invention comprises the construction of an implantable device consisting of a clot lysing inhibitor immobilized onto a biocompatible polymer, and the method of regulation of blood clotting time, the prevention of blood clot formation, and the hydrolysis of existing blood clots with the use of said device. A method is also disclosed to prevent the growth of fibrous connective tissue on prosthetic devices.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: December 15, 1981
    Inventors: Johannes Everse, Kathleen E. Everse, Leo C. Mercer