Granted Patent
Utility
US 6,547,525 · App. 09/984,204
Cooled component, casting core for manufacturing such a component, as well as method for manufacturing such a component
Inventors:
Hartmut Haehnle, Ibrahim El-Nashar, Rudolf Kellerer, Beat Von Arx
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Oct 29, 2001
Inventors
Hartmut Haehnle
Ibrahim El-Nashar
Rudolf Kellerer
Beat Von Arx
Assignee (at issue)
ALSTOM (Switzerland) Ltd
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.