Granted Patent
Utility
US 4,473,131 · App. 06/405,922
Threaded muffler nipple and bushing
Inventors:
Michael Clegg, James E. Gerber, Jon W. Harwood, Clinton R. Hay
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Aug 6, 1982
Inventors
Michael Clegg
James E. Gerber
Jon W. Harwood
Clinton R. Hay
Assignee (at issue)
APX Group, 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.