Granted Patent
Utility
US 5,923,732 · App. 08/759,833
Talkie connection apparatus and method for use in a switched network system
Inventor:
Toshio Nakamura
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Dec 4, 1996
Inventor
Toshio Nakamura
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.