Granted Patent
Utility
US 5,149,621 · App. 07/436,364
Kit for cryopreserving blood vessels
Inventors:
Robert T. McNally, Cameron McCaa, Kelvin G. M. Brockbank, Albert E. Heacox, Harvey L. Bank
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Jan 23, 1990
Inventors
Robert T. McNally
Cameron McCaa
Kelvin G. M. Brockbank
Albert E. Heacox
Harvey L. Bank
Assignee (at issue)
CryoLife, Inc. & Medical Univ. of South Carolina
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.