Granted Patent
Utility
US 6,570,117 · App. 10/021,068
Air-insulated high-voltage disconnector
Inventors:
Daniel Demissy, Anh-Dung Huynh, Richard Marchand
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Dec 19, 2001
Inventors
Daniel Demissy
Anh-Dung Huynh
Richard Marchand
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.