Granted Patent
Utility
US 6,450,218 · App. 09/775,958
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Inventor:
Lars Andersson
Patented Case
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Granted: Sep 17, 2002
Filed: Feb 2, 2001
Inventor
Lars Andersson
Assignee (at issue)
Amersham Pharmacia Biotech, 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.