Granted Patent
Utility
US 5,975,433 · App. 08/959,050
Fuel injection nozzle with rotary valve
Inventors:
Toshiyuki Hasegawa, Takashi Kobayashi
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Oct 28, 1997
Inventors
Toshiyuki Hasegawa
Takashi Kobayashi
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.