Granted Patent
Utility
US 5,921,746 · App. 09/172,425
Fuel pump chamber with contamination control
Inventors:
DeQuan Yu, Robert D. Gaston
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Oct 14, 1998
Inventors
DeQuan Yu
Robert D. Gaston
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.