Granted Patent
Utility
US 5,642,655 · App. 08/639,735
Apparatus for advancing filter tape in a beverage brewer, `window blind` design
Inventor:
Alan M. King
Patented Case
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Granted: Jul 1, 1997
Filed: Apr 29, 1996
Inventor
Alan M. King
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.