Granted Patent
Utility
US 5,563,385 · App. 08/399,780
Stamp formed muffler with siphon tube
Inventor:
Jon W. Harwood
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Mar 7, 1995
Inventor
Jon W. Harwood
Assignee (at issue)
AP Parts Manufacturing 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.