Granted Patent
Utility
US 4,962,890 · App. 07/411,560
Fuel injection valve assembly
Inventors:
Takashi Shindo, Shiro Kurosawa, Kazuhiko Sato
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Sep 22, 1989
Inventors
Takashi Shindo
Shiro Kurosawa
Kazuhiko Sato
Assignee (at issue)
Diesel Kiki Co., Ltd.
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.