Granted Patent
Utility
US 4,421,794 · App. 06/332,212
Solvent removal via continuously superheated heat transfer medium
Inventor:
Homan B. Kinsley, Jr.
Patented Case
View Patent ↗
Granted: Dec 20, 1983
Filed: Dec 18, 1981
Inventor
Homan B. Kinsley, Jr.
Assignee (at issue)
James River 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.