Granted Patent
Utility
US 6,516,865 · App. 09/650,407
Hollow-cast component
Inventors:
Alexander Beeck, Erhard Kreis, Ibrahim El-Nashar, Beat Von Arx
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Aug 29, 2000
Inventors
Alexander Beeck
Erhard Kreis
Ibrahim El-Nashar
Beat Von Arx
Assignee (at issue)
ALSTOM Holdings
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.