Granted Patent
Utility
US 6,378,573 · App. 09/731,586
Removing device for liquid in a flexible packing and a flexible packing for accommodating a liquid
Inventor:
Erhard Schwartz
Patented Case
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Granted: Apr 30, 2002
Filed: Dec 7, 2000
Inventor
Erhard Schwartz
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.