Granted Patent
Utility
US 6,138,637 · App. 08/932,768
Internal combustion engine with direct fuel injection
Inventor:
Gunther Bubeck
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Sep 18, 1997
Inventor
Gunther Bubeck
Assignee (at issue)
Daimlerchrysler AG
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.