Granted Patent
Utility
US 6,000,709 · App. 08/978,299
Trailer coupling
Inventors:
Wolfgang Gentner, Emmerich Kleb, Joerg Riehle, Hans Riehle
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Nov 25, 1997
Inventors
Wolfgang Gentner
Emmerich Kleb
Joerg Riehle
Hans Riehle
Assignee (at issue)
ORIS Fahrzeugteile Hans Riehle GmbH
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.