Granted Patent
Utility
US 5,867,151 · App. 08/824,090
Coordinate input device and input display apparatus including the input device
Inventor:
Yutaka Nakai
Patented Case
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Granted: Feb 2, 1999
Filed: Mar 25, 1997
Inventor
Yutaka Nakai
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.