Granted Patent
Utility
US 4,458,652 · App. 06/501,163
Distributor type fuel injection pump having injection timing control device adaptable to internal combustion engines with a wide range of number of cylinders
Inventors:
Osamu Shiozawa, Hachiro Aoki, Seizi Takahashi
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Jun 6, 1983
Inventors
Osamu Shiozawa
Hachiro Aoki
Seizi Takahashi
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.