Granted Patent
Utility
US 6,435,142 · App. 09/765,009
In-tank water control
Inventor:
Richard W. Harvey
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Jan 18, 2001
Inventor
Richard W. Harvey
Assignee (at issue)
Federal-Mogul Worldwide, Inc.
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.