Granted Patent
Utility
US 4,454,717 · App. 06/203,198
Reservoir for a vehicle power steering system
Inventors:
Philip M. Wade, Robert T. Williams
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Nov 3, 1980
Inventors
Philip M. Wade
Robert T. Williams
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.