Granted Patent
Utility
US 5,993,747 · App. 08/882,022
Mixing system for processes using supercritical fluids
Inventor:
Frederick S. Mandel
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jun 25, 1997
Inventor
Frederick S. Mandel
Assignee (at issue)
Ferro Corporation
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.