Granted Patent
Utility
US 6,246,870 · App. 09/070,289
Tariff management apparatus and methods for multiple-mode communications terminals
Inventors:
Paul W. Dent, Elizabeth Louise Humphreys
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Apr 30, 1998
Inventors
Paul W. Dent
Elizabeth Louise Humphreys
Assignee (at issue)
ERICSSON GMBH
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.