Granted Patent
Utility
US 5,336,856 · App. 08/157,470
Electronic muffler assembly with exhaust bypass
Inventors:
James K. Krider, Wilbur H. Crawley, David Wright
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Nov 26, 1993
Inventors
James K. Krider
Wilbur H. Crawley
David Wright
Assignee (at issue)
Arvin Industries, Inc.
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.