Granted Patent
Utility
US 5,335,520 · App. 08/025,180
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Inventor:
Miko Lee
Patented Case
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Granted: Aug 9, 1994
Filed: Mar 2, 1993
Inventor
Miko Lee
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.