Granted Patent
Utility
US 6,597,903 · App. 09/713,649
Online churn reduction and loyalty system
Inventors:
Cynthia N. Dahm, Andrew L. Laursen
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Nov 14, 2000
Inventors
Cynthia N. Dahm
Andrew L. Laursen
Assignee (at issue)
Openwave Systems 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.