Granted Patent
Utility
US 5,131,850 · App. 07/431,153
Method for cryopreserving musculoskeletal tissues
Inventor:
Kelvin G. M. Brockbank
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Nov 3, 1989
Inventor
Kelvin G. M. Brockbank
Assignee (at issue)
CryoLife, Inc.
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.