Granted Patent
Utility
US 5,195,466 · App. 07/887,808
Method for the controlled addition of an additive to the fuel supply of a vehicle internal combustion engine
Inventors:
Roland Schulte, Hans-Joachim Langer, Erwin Strohmer, Dietmar Hagenloch
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: May 26, 1992
Inventors
Roland Schulte
Hans-Joachim Langer
Erwin Strohmer
Dietmar Hagenloch
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.