Granted Patent
Utility
US 6,581,978 · App. 09/921,998
Connector tube for a turbine rotor cooling circuit
Inventor:
Ming Li
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Aug 6, 2001
Inventor
Ming Li
Assignee (at issue)
General Electric Company
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.