Granted Patent
Utility
US 5,552,709 · App. 08/544,222
NMR sample cell
Inventor:
Weston A. Anderson
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Oct 17, 1995
Inventor
Weston A. Anderson
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.