Granted Patent
Utility
US 4,638,782 · App. 06/569,673
Apparatus for controlling fuel injection timing in a fuel injection pump
Inventors:
Seishi Yasuhara, Mitsuo Hagiwara, Kazuo Inoue, Kyoichi Fujimori, Akira Sekiguchi, Hiroshi Okada
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Jan 10, 1984
Inventors
Seishi Yasuhara
Mitsuo Hagiwara
Kazuo Inoue
Kyoichi Fujimori
Akira Sekiguchi
Hiroshi Okada
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.