Granted Patent
Utility
US 6,167,434 · App. 09/116,690
Computer code for removing junk e-mail messages
Inventor:
Stephen Y. F. Pang
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Jul 15, 1998
Inventor
Stephen Y. F. Pang
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.