Granted Patent
Utility
US 6,496,852 · App. 09/297,348
Electronic mail system and electronic mail processing method
Inventor:
Yoshito Yamaguchi
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Apr 29, 1999
Inventor
Yoshito Yamaguchi
Assignee (at issue)
CASIO COMPUTER 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.