Granted Patent
Utility
US 5,653,885 · App. 08/579,644
Apparatus and method for supercritical fluid extraction
Inventors:
Daniel G. Jameson, Robert Macomber, Robert W. Allington
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Dec 27, 1995
Inventors
Daniel G. Jameson
Robert Macomber
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.