Granted Patent
Utility
US 5,269,930 · App. 08/026,998
Apparatus and method for supercritical fluid extraction
Inventor:
Daniel G. Jameson
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Mar 5, 1993
Inventor
Daniel G. Jameson
Assignee (at issue)
Isco, 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.