Granted Patent
Utility
US 4,941,545 · App. 07/345,141
Muffler assembly
Inventors:
Richard C. Wilcox, James R. Allman, Stacy L. Smith
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: Apr 28, 1989
Inventors
Richard C. Wilcox
James R. Allman
Stacy L. Smith
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.