Granted Patent
Utility
US 6,598,071 · App. 09/360,688
Communication apparatus and method of hand over of an assigned group address from one communication apparatus to another
Inventors:
Kenji Hayashi, Naoya Ikeda, Yoshifumi Atarashi
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jul 26, 1999
Inventors
Kenji Hayashi
Naoya Ikeda
Yoshifumi Atarashi
Assignee (at issue)
HITACHI, 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.