Granted Patent
Utility
US 6,772,196 · App. 09/626,600
Electronic mail filtering system and methods
Inventors:
Steven T. Kirsch, Kenneth Paul Kiraly
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jul 27, 2000
Inventors
Steven T. Kirsch
Kenneth Paul Kiraly
Assignee (at issue)
Propel Software Corporation
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.