Granted Patent
Utility
US 4,419,224 · App. 06/390,676
Desulfurization of hydrocarbons
Inventors:
J. W. Randolph Miller, John W. Ward
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Jun 21, 1982
Inventors
J. W. Randolph Miller
John W. Ward
Assignee (at issue)
Union Oil Company of California
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.