Granted Patent
Utility
US 5,230,547 · App. 07/789,843
Run-off collecting box
Inventors:
Heinz Koukal, Matthias Ehm, Marcel Costoiu, Martin Pfeiffer
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Nov 8, 1991
Inventors
Heinz Koukal
Matthias Ehm
Marcel Costoiu
Martin Pfeiffer
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.