Granted Patent
Utility
US 6,713,722 · App. 10/071,077
Rotor and method for welding an element of a rotor
Inventors:
Rodney William Vanstone, Ian John Chilton, Ranjit Ramchandra Ballal, Stuart Leech
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Feb 11, 2002
Inventors
Rodney William Vanstone
Ian John Chilton
Ranjit Ramchandra Ballal
Stuart Leech
Assignee (at issue)
ALSTOM Technology 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.