Granted Patent
Utility
US 6,467,642 · App. 09/753,194
Cryogenic shipping container
Inventors:
Patrick L. Mullens, Gregg Emmel, Kevin Giesy, Christy Thomas
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 29, 2000
Inventors
Patrick L. Mullens
Gregg Emmel
Kevin Giesy
Christy Thomas
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.