Granted Patent
Utility
US 5,435,142 · App. 08/316,637
Method of and apparatus for packaging temperature sensitive materials for transportation
Inventor:
Paul M. Silber
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Sep 30, 1994
Inventor
Paul M. Silber
Assignee (at issue)
In Vitro Technologies, 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.