Granted Patent
Utility
US 4,294,218 · App. 05/955,082
Differential timing altering mechanism for fuel injectors
Inventors:
Dennis King, Ronald Richardson
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Oct 26, 1978
Inventors
Dennis King
Ronald Richardson
Assignee (at issue)
Caterpillar Tractor Co.
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.