Granted Patent
Utility
US 4,029,167 · App. 05/567,209
Exhaust system
Inventors:
Anthony E. Fox, Marcello Bargellini
Patented Case
View Patent ↗
Granted: Jun 14, 1977
Filed: Apr 11, 1975
Inventors
Anthony E. Fox
Marcello Bargellini
Assignee (at issue)
Massey Ferguson Group Limited
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.