Granted Patent
Utility
US 4,944,729 · App. 07/238,154
Femoral arterial cannula
Inventors:
Gerald D. Buckberg, James V. Maloney, Jr., Kenneth A. Jones, Weldon D. West
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Aug 29, 1988
Inventors
Gerald D. Buckberg
James V. Maloney, Jr.
Kenneth A. Jones
Weldon D. West
Assignee (at issue)
Shiley Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.