Patents by Inventor William T. Lawrence

William T. Lawrence 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).

  • Apparatus for the insertion of catheters
    Patent number: 4888000
    Abstract: A supra pubic catheter is inserted via a cannula which is positioned using a trocar, the trocar being withdrawn to leave the cannula in position through the wall of the bladder allowing passage of the supra pubic catheter, the canula being provided with means for subsequent removal from the catheter.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: December 19, 1989
    Assignee: Femcare Limited
    Inventors: Peter H. McQuilkin, William T. Lawrence