Granted Patent
Utility
US 4,825,828 · App. 07/253,424
Direct fuel injection
Inventors:
Christopher K. Schlunke, Peter Ragg
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Sep 22, 1988
Inventors
Christopher K. Schlunke
Peter Ragg
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.