Granted Patent
Utility
US 6,652,227 · App. 10/131,124
Gas turbine seal
Inventor:
Reinhard Fried
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Apr 25, 2002
Inventor
Reinhard Fried
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.