Granted Patent
Utility
US 5,731,559 · App. 08/746,487
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Inventor:
Marcel Daccord
Patented Case
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Granted: Mar 24, 1998
Filed: Nov 12, 1996
Inventor
Marcel Daccord
Assignees (at issue)
LE GRAND CO., LTD.
LEGRAND SNC
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.