Granted Patent
Utility
US 4,381,220 · App. 06/331,205
Production of concentrated alcohol and distillery slop
Inventor:
Ferris C. Standiford
Patented Case
View Patent ↗
Granted: Apr 26, 1983
Filed: Dec 16, 1981
Inventor
Ferris C. Standiford
Assignee (at issue)
Resources Conservation, 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.