Granted Patent
Utility
US 5,284,417 · App. 08/072,018
Automotive fuel pump with regenerative turbine and long curved vapor channel
Inventor:
DeQuan Yu
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Jun 7, 1993
Inventor
DeQuan Yu
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.