Granted Patent
Utility
US 6,328,003 · App. 09/429,928
Internal combustion engine with a separately operable additional valve in the cylinder head and method of operating same
Inventors:
Uwe Gaertner, Michael Hoffman
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Oct 29, 1999
Inventors
Uwe Gaertner
Michael Hoffman
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.