Granted Patent
Utility
US 6,477,040 · App. 09/842,651
Portable information processing device having input unit
Inventor:
Toshio Horiki
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Apr 27, 2001
Inventor
Toshio Horiki
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.