Granted Patent
Utility
US 6,104,310 · App. 08/881,801
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Inventor:
Mafumi Miyashita
Patented Case
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Granted: Aug 15, 2000
Filed: Jun 24, 1997
Inventor
Mafumi Miyashita
Assignee (at issue)
NEC CORPORATION
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.