Granted Patent
Utility
US 6,623,790 · App. 09/867,625
Method of adjusting the size of cooling holes of a gas turbine component
Inventors:
John Fernihough, Markus Oehl
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: May 31, 2001
Inventors
John Fernihough
Markus Oehl
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.