Granted Patent
Utility
US 6,561,893 · App. 10/252,052
Device for delivering conditioned air into a passenger area of a rail vehicle
Inventors:
Gerard Mineaud, Daniel Plichon
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Sep 23, 2002
Inventors
Gerard Mineaud
Daniel Plichon
Assignee (at issue)
ALSTOM Holdings
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.