Granted Patent
Utility
US 4,487,753 · App. 06/560,064
Sulfur production
Inventors:
Stephen N. Massie, Allen R. Broyles
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Dec 9, 1983
Inventors
Stephen N. Massie
Allen R. Broyles
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.