Granted Patent
Utility
US 4,293,722 · App. 06/121,353
Process for conversion of propane to gasoline
Inventors:
Dennis J. Ward, Bipin V. Vora
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Feb 14, 1980
Inventors
Dennis J. Ward
Bipin V. Vora
Assignee (at issue)
UOP LLC
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.