Granted Patent
Utility
US 6,644,040 · App. 10/193,440
Material for the controlled vaporization of a liquid cryogen
Inventors:
Mark John Robbie, David J. Myers
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jul 11, 2002
Inventors
Mark John Robbie
David J. Myers
Assignees (at issue)
Gore Enterprise Holdings, Inc.
W. L. Gore & Associates (UK) Limited
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.