Granted Patent
Utility
US 6,732,716 · App. 10/264,526
Metering valve arrangement
Inventors:
Geoffrey David Bootle, William Robert Burborough
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Oct 3, 2002
Inventors
Geoffrey David Bootle
William Robert Burborough
Assignee (at issue)
Delphi Technologies
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.