Granted Patent
Utility
US 4,901,889 · App. 07/298,121
Apparatus for mounting a tissue roll and dispensing a flowable substance
Inventor:
Joseph Mitchell
Patented Case
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Granted: Feb 20, 1990
Filed: Jan 18, 1989
Inventor
Joseph Mitchell
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.