Granted Patent
Utility
US 5,866,004 · App. 08/524,916
Automated supercritical fluid extraction method and apparatus
Inventors:
Raymond K. Houck, Douglas J. Koebler, Glen P. Williams, Kenneth J. Kato, Robert Parks, Paul A. Bauer, Jr.
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Sep 8, 1995
Inventors
Raymond K. Houck
Douglas J. Koebler
Glen P. Williams
Kenneth J. Kato
Robert Parks
Paul A. Bauer, Jr.
Assignee (at issue)
Suprex 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.