Granted Patent
Utility
US 6,175,873 · App. 09/046,125
Method for acquiring communication information
Inventors:
Kenichi Yamane, Toshio Isoe
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Mar 23, 1998
Inventors
Kenichi Yamane
Toshio Isoe
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.