Granted Patent
Utility
US 4,281,863 · App. 06/080,913
Exhaust tube clamp
Inventor:
John F. Hall
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Oct 1, 1979
Inventor
John F. Hall
Assignee (at issue)
Chrysler Group LLC
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.