Granted Patent
Utility
US 4,593,668 · App. 06/779,094
Injection rate controller for fuel injection pump
Inventor:
Yasutaka Yuzawa
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Sep 23, 1985
Inventor
Yasutaka Yuzawa
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.