Granted Patent
Utility
US 6,807,166 · App. 09/243,351
Gateway for internet telephone
Inventor:
Hitoshi Ohura
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Feb 1, 1999
Inventor
Hitoshi Ohura
Assignee (at issue)
Fujitsu Limited
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.