Granted Patent
Utility
US 4,753,580 · App. 07/054,319
Fuel injection pump with control rod supported by a self-aligning bearing
Inventor:
Masayori Ishimoto
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: May 26, 1987
Inventor
Masayori Ishimoto
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.