Granted Patent
Utility
US 5,217,356 · App. 07/895,772
Fuel injection pump
Inventor:
Kohtaroh Ryuhzaki
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Jun 9, 1992
Inventor
Kohtaroh Ryuhzaki
Assignee (at issue)
Zexel GmbH
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.