Granted Patent
Utility
US 5,600,477 · App. 08/434,963
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Inventor:
Robert D. Pepe
Patented Case
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Granted: Feb 4, 1997
Filed: May 4, 1995
Inventor
Robert D. Pepe
Assignee (at issue)
Bayer Aktiengesellschaft
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.