Granted Patent
Utility
US 4,674,461 · App. 06/780,393
Unit injector for internal combustion engines
Inventors:
Yasuhiro Hiyama, Shinya Nozaki
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Sep 26, 1985
Inventors
Yasuhiro Hiyama
Shinya Nozaki
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.