Granted Patent
Utility
US 4,354,458 · App. 06/184,825
Tractor engine air supply means
Inventor:
Cecil T. Bury
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Sep 8, 1980
Inventor
Cecil T. Bury
Assignee (at issue)
David Brown Tractors Ltd.
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.