Granted Patent
Utility
US 5,984,644 · App. 08/991,583
Dual output window washer pump for an automotive vehicle
Inventors:
DeQuan Yu, Frances S. Marchand
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Dec 16, 1997
Inventors
DeQuan Yu
Frances S. Marchand
Assignee (at issue)
Ford Motor Company
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.