Granted Patent
Utility
US 5,579,577 · App. 08/447,890
Improved method for fabricating a muffler
Inventors:
A. J. Preslicka, Robert J. Paterick, Paul Smeltzer
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: May 23, 1995
Inventors
A. J. Preslicka
Robert J. Paterick
Paul Smeltzer
Assignee (at issue)
Maremont 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.