Granted Patent
Utility
US 6,112,227 · App. 09/129,777
Filter-in method for reducing junk e-mail
Inventor:
Jeffrey N. Heiner
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Aug 6, 1998
Inventor
Jeffrey N. Heiner
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.