Granted Patent
Utility
US 6,276,143 · App. 09/484,092
External pressure building circuit for rapid discharge cryogenic liquid cylinder
Inventor:
John S. Wimberley
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Jan 18, 2000
Inventor
John S. Wimberley
Assignee (at issue)
HARSCO TECHNOLOGIES LLC
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.