Granted Patent
Utility
US 6,427,452 · App. 09/828,636
Hyperpolarized noble gas extraction methods, masking methods, and associated transport containers
Inventors:
David L. Zollinger, Kenton C. Hasson, Paul L. Bogorad, Bastiaan Driehuys
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Apr 6, 2001
Inventors
David L. Zollinger
Kenton C. Hasson
Paul L. Bogorad
Bastiaan Driehuys
Assignee (at issue)
MEDI-PHYSICS, 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.