Granted Patent
Utility
US 5,260,657 · App. 07/857,884
Magnetic resonance spectroscopy sample spinning apparatus with mechanical bearing
Inventors:
David H. Lewis, Robert A. Wind
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Mar 26, 1992
Inventors
David H. Lewis
Robert A. Wind
Assignee (at issue)
Otsuka Electronics (U.S.A.) 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.