Granted Patent
Utility
US 4,372,822 · App. 06/287,018
Production of anhydrous ethanol
Inventors:
Werner C. Muller, Franklyn D. Miller
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Jul 27, 1981
Inventors
Werner C. Muller
Franklyn D. Miller
Assignee (at issue)
National Distillers and Chemical 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.