Granted Patent
Utility
US 5,192,911 · App. 07/741,720
NMR probe incorporating RF shielding of sample
Inventors:
Howard D. W. Hill, Michael D. Cummings
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Aug 7, 1991
Inventors
Howard D. W. Hill
Michael D. Cummings
Assignee (at issue)
Varian, 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.