[Discussioni] FYI: brevettati i filtri anti-spam

Alessandro Rubini rubini a gnu.org
Mar 20 Ago 2002 09:21:07 CEST


http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1='6,161,130'




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