Granted Patent
Utility
US 4,834,134 · App. 07/158,238
Two-way delivery valve structure of a fuel discharge valve in a fuel injection pump
Inventors:
Toshiaki Asami, Takayuki Ikeda, Toru Mogi, Tomie Kobayashi
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Feb 19, 1988
Inventors
Toshiaki Asami
Takayuki Ikeda
Toru Mogi
Tomie Kobayashi
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.