Granted Patent
Utility
US 6,209,922 · App. 09/252,964
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Inventor:
Thomas Klein
Patented Case
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Granted: Apr 3, 2001
Filed: Feb 19, 1999
Inventor
Thomas Klein
Assignee (at issue)
Baasel Scheel LaserGraphics GmbH
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.