Granted Patent
Utility
US 6,795,534 · App. 09/944,187
Data recording system for IP telephone communication
Inventor:
Tadanori Noguchi
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Sep 4, 2001
Inventor
Tadanori Noguchi
Assignee (at issue)
NEC CORPORATION
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.