Granted Patent
Utility
US 6,453,683 · App. 09/905,488
Tapered slot cryopreservation system with controlled dendritic freezing front velocity
Inventors:
Richard Wisniewski, Eric K. Lee
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jul 13, 2001
Inventors
Richard Wisniewski
Eric K. Lee
Assignee (at issue)
Integrated Biosystems, 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.