Granted Patent
Utility
US 6,386,439 · App. 09/835,423
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Inventor:
Philippe Le Bras
Patented Case
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Granted: May 14, 2002
Filed: Apr 16, 2001
Inventor
Philippe Le Bras
Assignee (at issue)
The Mead Corporation
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.