Granted Patent
Utility
US 5,545,994 · App. 08/433,637
Reduction of ambient susceptibility perturbations of an NMR spectrometer
Inventor:
Thomas M. Barbara
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: May 2, 1995
Inventor
Thomas M. Barbara
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.