Granted Patent
Utility
US 6,329,615 · App. 09/466,068
Device for interlocking the manual actuation of a switch with the help of locks
Inventor:
François Biquez
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Dec 17, 1999
Inventor
François Biquez
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.