Granted Patent
Utility
US 5,949,433 · App. 08/840,134
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Inventor:
Karl Heinz Klotz
Patented Case
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Granted: Sep 7, 1999
Filed: Apr 11, 1997
Inventor
Karl Heinz Klotz
Assignee (at issue)
Discreet Logic 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.