Granted Patent
Utility
US 5,360,320 · App. 07/843,624
Multiple solvent delivery system
Inventors:
Daniel G. Jameson, Robert W. Allington
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Feb 27, 1992
Inventors
Daniel G. Jameson
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.