Granted Patent
Utility
US 5,633,592 · App. 08/448,387
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Inventor:
Gerhard Lang
Patented Case
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Granted: May 27, 1997
Filed: Jun 6, 1995
Inventor
Gerhard Lang
Assignee (at issue)
The Braun Corporation
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.