Granted Patent
Utility
US 6,581,390 · App. 10/054,784
Cryogenic fluid delivery system
Inventors:
Claus Emmer, Thomas K. Drube, Jesse Gamble
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Oct 29, 2001
Inventors
Claus Emmer
Thomas K. Drube
Jesse Gamble
Assignee (at issue)
Chart 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.