Granted Patent
Utility
US 6,529,562 · App. 09/222,868
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Inventor:
Akihiro Muraishi
Patented Case
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Granted: Mar 4, 2003
Filed: Dec 30, 1998
Inventor
Akihiro Muraishi
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.