Granted Patent
Utility
US 4,867,128 · App. 07/040,778
Fuel injection nozzle
Inventors:
Peter Ragg, Roy S. Brooks
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Mar 11, 1987
Inventors
Peter Ragg
Roy S. Brooks
Assignee (at issue)
Orbital Engine Company Proprietary Limited
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.