Granted Patent
Utility
US 6,434,405 · App. 09/362,949
Transmitting and receiving card selectively attached to portable phone or information terminal
Inventor:
Toshiyuki Sashihara
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jul 28, 1999
Inventor
Toshiyuki Sashihara
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.