Granted Patent
Utility
US 5,399,369 · App. 08/060,354
Accelerated supercritical fluid extraction process
Inventor:
Norman S. Singer
Patented Case
View Patent ↗
Granted: Mar 21, 1995
Filed: May 11, 1993
Inventor
Norman S. Singer
Assignee (at issue)
The NutraSweet Company
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.