Granted Patent
Utility
US 5,372,102 · App. 08/112,080
Process for heating the intake air in internal-combustion engines by means of a flame starting system
Inventors:
Friedrich Schmid, Andreas Koppitz, Friedrich Hase, Peter Joppig, Roland Klak
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Dec 23, 1991
Inventors
Friedrich Schmid
Andreas Koppitz
Friedrich Hase
Peter Joppig
Roland Klak
Assignee (at issue)
MERCEDES-BENZ GROUP 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.