Granted Patent
Utility
US 6,519,954 · App. 09/655,807
Cryogenic preservation of biologically active material using high temperature freezing
Inventors:
Samuel D. Prien, John Blanton, Kevin R. Pond, Markus Miller, Brian Wood, Allan Cassell
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Sep 6, 2000
Inventors
Samuel D. Prien
John Blanton
Kevin R. Pond
Markus Miller
Brian Wood
Allan Cassell
Assignee (at issue)
Supachill International Pty. Ltd.
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.