Granted Patent
Utility
US 5,375,975 · App. 08/173,228
Fuel pump pre-swirl inlet channel
Inventors:
DeQuan Yu, Robert D. Gaston
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Dec 27, 1993
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.