Granted Patent
Utility
US 5,162,019 · App. 07/810,850
Fresh-air intake duct for a motor vehicle
Inventors:
Peter Widmaier, Alfred Jeckel, Rolf Kohler
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Dec 20, 1991
Inventors
Peter Widmaier
Alfred Jeckel
Rolf Kohler
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.