Granted Patent
Utility
US 6,409,201 · App. 09/598,737
Trailer coupling
Inventor:
Hans Riehle
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 21, 2000
Inventor
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.