Granted Patent
Utility
US 6,055,957 · App. 08/991,226
Fuel injection control method using variable nozzle hole fuel injection nozzle
Inventors:
Toshiyuki Hasegawa, Takao Iwasaki, Shoichi Kido
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Dec 16, 1997
Inventors
Toshiyuki Hasegawa
Takao Iwasaki
Shoichi Kido
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.