Granted Patent
Utility
US 4,425,301 · App. 06/439,090
Fluid catalyst regeneration apparatus
Inventors:
Anthony G. Vickers, Harold U. Hammershaimb, Charles L. Hemler, Jr.
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Nov 3, 1982
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.