Granted Patent
Utility
US 4,352,947 · App. 06/289,406
Process for producing ethanol
Inventors:
Mohammad M. Habib, Wayne R. Pretzer
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Aug 3, 1981
Inventors
Mohammad M. Habib
Wayne R. Pretzer
Assignee (at issue)
Gulf Research & Development Company
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.