Granted Patent
Utility
US 4,275,032 · App. 06/056,763
Alkylation combined settler-soaker apparatus
Inventor:
Robert F. Anderson
Patented Case
View Patent ↗
Granted: Jun 23, 1981
Filed: Jul 12, 1979
Inventor
Robert F. Anderson
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.