Granted Patent
Utility
US 5,979,802 · App. 08/999,445
Fuel injection nozzle
Inventor:
Toshiyuki Hasegawa
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Dec 29, 1997
Inventor
Toshiyuki Hasegawa
Assignee (at issue)
Zexel GmbH
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.