Granted Patent
Utility
US 5,354,288 · App. 08/021,811
Low velocity aortic cannula
Inventors:
Delos M. Cosgrove, Nelson L. Huldin, William G. O'Neill, J. Fredrick Cornhill, Christopher M. Boykin
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Feb 24, 1993
Inventors
Delos M. Cosgrove
Nelson L. Huldin
William G. O'Neill
J. Fredrick Cornhill
Christopher M. Boykin
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.