Granted Patent
Utility
US 5,170,120 · App. 07/555,955
Rotor synchronized cross polarization of solid state NMR
Inventors:
Thomas M. Barbara, Arthur L. Brooke, Evan Hunter Williams
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jul 19, 1990
Inventors
Thomas M. Barbara
Arthur L. Brooke
Evan Hunter Williams
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.