Granted Patent
Utility
US 5,250,195 · App. 07/966,083
Apparatus and method for supercritical fluid extraction
Inventors:
Robin R. Winter, Daniel G. Jameson, Dale L. Clay, Robert W. Allington
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Oct 23, 1992
Inventors
Robin R. Winter
Daniel G. Jameson
Dale L. Clay
Robert W. Allington
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.