Granted Patent
Utility
US 4,374,750 · App. 06/289,571
Fluid catalyst regeneration process and apparatus
Inventors:
Anthony G. Vickers, Harold U. Hammershaimb, Charles L. Hemler, Jr.
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Aug 3, 1981
Inventors
Anthony G. Vickers
Harold U. Hammershaimb
Charles L. Hemler, Jr.
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.