Granted Patent
Utility
US 6,345,054 · App. 09/164,584
Cell relay communication method, cell relay communication system and cell relay communication equipment
Inventor:
Toshimitsu Sasaki
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Oct 1, 1998
Inventor
Toshimitsu Sasaki
Assignee (at issue)
Hitachi Telecom Technologies, Ltd
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.