Granted Patent
Utility
US 5,699,409 · App. 08/519,349
Cordless telephone system for providing set-up communications between subsidiary units through a master unit
Inventor:
Susumu Kojima
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Aug 25, 1995
Inventor
Susumu Kojima
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.