Granted Patent
Utility
US 6,499,014 · App. 09/521,449
Speech synthesis apparatus
Inventor:
Keiichi Chihara
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Mar 7, 2000
Inventor
Keiichi Chihara
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.