Granted Patent
Utility
US 6,725,068 · App. 09/975,916
Digital wireless telephone system
Inventors:
Kazuhisa Higuchi, Hideki Kamataki
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Oct 12, 2001
Inventors
Kazuhisa Higuchi
Hideki Kamataki
Assignee (at issue)
Tokyo Digital Phone Co., 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.