Granted Patent
Utility
US 6,255,589 · App. 09/466,110
Hermetically sealed current feedthrough for outdoor electrical gear
Inventors:
Thierry Starck, Kenneth L. Johnson
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Dec 17, 1999
Inventors
Thierry Starck
Kenneth L. Johnson
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.