Granted Patent
Utility
US 6,497,684 · App. 09/828,234
Syringe with a barrel having a sealing cap to hold a fluid medium within the barrel
Inventor:
Norbert Witowski
Patented Case
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Granted: Dec 24, 2002
Filed: Apr 9, 2001
Inventor
Norbert Witowski
Assignee (at issue)
SCHERING 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.