Patents by Inventor William E. Novogradac, deceased

William E. Novogradac, deceased 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 and apparatus for connecting and closing severed blood vessels
    Patent number: 5254127
    Abstract: A device for closing or connecting blood vessels has a plurality of micro miniature barb which pierce the wall of the blood vessel and anchor the device in place. In one embodiment the fastener is comprised of a male member and a female member which are fastened to blood vessel segments with the micro miniature barbs. The male and female members are joined together by inserting the male member into the female member to form a permanent coupling. The device can also be used for opening a blood vessel which has been narrowed by disease or trauma.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: October 19, 1993
    Assignee: Shadyside Hospital
    Inventors: Mark H. Wholey, William E. Novogradac, deceased
  • Method and apparatus for connecting and closing severed blood vessels
    Patent number: 5234448
    Abstract: A device for closing or connecting blood vessels has a plurality of micro miniature barb which pierce the wall of the blood vessel and anchor the device in place. In one embodiment the fastener is comprised of a male member and a female member which are fastened to blood vessel segments with the micro miniature barbs. The male and female members are joined together by inserting the male member into the female member to form a permanent coupling. The device can also be used for opening a blood vessel which has been narrowed by disease or trauma.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: August 10, 1993
    Assignee: Shadyside Hospital
    Inventors: Mark H. Wholey, William E. Novogradac, deceased