Granted Patent
Utility
US 4,345,430 · App. 06/094,413
Automotive catalytic converter exhaust system
Inventors:
John M. Pallo, Stephen J. Previte, William C. Schafer
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Nov 15, 1979
Inventors
John M. Pallo
Stephen J. Previte
William C. Schafer
Assignee (at issue)
Manville Service Corporation
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.