Granted Patent
Utility
US 5,482,681 · App. 07/754,042
Catalytic converter for motor vehicles
Inventor:
Robert L. Sager, Jr.
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Sep 3, 1991
Inventor
Robert L. Sager, Jr.
Assignee (at issue)
Tennessee Gas Pipeline Company
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.