Granted Patent
Utility
US 6,030,578 · App. 08/860,911
Coupling assembly for the sterile transfer of sterile materials between a transportable container and a sterile enclosure
Inventor:
Austin McDonald
Patented Case
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Granted: Feb 29, 2000
Filed: Sep 15, 1997
Inventor
Austin McDonald
Assignee (at issue)
Duras Trading Limited
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.