Granted Patent
Utility
US 6,829,372 · App. 09/742,063
Information-inputting device inputting contact point of object on recording surface as information
Inventor:
Susumu Fujioka
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Dec 22, 2000
Inventor
Susumu Fujioka
Assignee (at issue)
RICOH COMPANY, 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.