Granted Patent
Utility
US 5,618,076 · App. 08/423,509
Rail wheel
Inventors:
Horst Bansemir, Bernd Bongers, Hermann Eschbaumer
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Apr 17, 1995
Inventors
Horst Bansemir
Bernd Bongers
Hermann Eschbaumer
Assignee (at issue)
Eurocopter Deutschland 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.