Granted Patent
Utility
US 5,897,949 · App. 08/977,254
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Inventors:
Bernd Lühmann, Andreas Junghans
Patented Case
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Granted: Apr 27, 1999
Filed: Nov 24, 1997
Inventors
Bernd Lühmann
Andreas Junghans
Assignee (at issue)
BEIERSDORF AG
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.