Granted Patent
Utility
US 5,349,346 · App. 08/087,621
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Inventor:
Shin-Chyuan Wu
Patented Case
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Granted: Sep 20, 1994
Filed: Jul 1, 1993
Inventor
Shin-Chyuan Wu
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.