Granted Patent
Utility
US 6,640,096 · App. 09/557,381
Method and apparatus for use in providing a discounted call rate for wireless communications
Inventors:
Steven Alho, Brian Anderson, Heidi Benton, Jacob Feinstein, Dina M. Scharosch, Harold Zeitz
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Apr 25, 2000
Inventors
Steven Alho
Brian Anderson
Heidi Benton
Jacob Feinstein
Dina M. Scharosch
Harold Zeitz
Assignee (at issue)
AT&T WIRELESS SERVICES, INC.
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.