Granted Patent
Utility
US 4,290,916 · App. 06/111,752
Catalytic composite, method of manufacture, and process for use
Inventor:
David H. J. Carlson
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Jan 14, 1980
Inventor
David H. J. Carlson
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.