Granted Patent
Utility
US 4,255,097 · App. 06/062,356
Fuel injection pump
Inventors:
Charles W. Davis, Charles J. Donahue
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Jul 31, 1979
Inventors
Charles W. Davis
Charles J. Donahue
Assignee (at issue)
Stanadyne LLC
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.