Granted Patent
Utility
US 6,367,264 · App. 09/668,877
Hybrid low temperature liquid carbon dioxide ground support system
Inventor:
Lewis Tyree, Jr.
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Sep 25, 2000
Inventor
Lewis Tyree, Jr.
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.