Granted Patent
Utility
US 6,325,807 · App. 09/478,609
Variable strength sheath
Inventor:
Like Que
Patented Case
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Granted: Dec 4, 2001
Filed: Dec 30, 1999
Inventor
Like Que
Assignee (at issue)
Scimed Life Systems, Inc.
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.