Granted Patent
Utility
US 6,615,905 · App. 10/093,716
Method of making an air preheater rotor
Inventors:
Robin B. Rhodes, Jon R. Cowburn, Kurt M. Fierle
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Mar 7, 2002
Inventors
Robin B. Rhodes
Jon R. Cowburn
Kurt M. Fierle
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.