How about - US 5,793,972 - System and method providing an interactive response to direct mail by ...Filing date: May 3, 1996 / Issue date: Aug 11, 1998
A system for providing an interactive response to direct mail programs comprises a recipient database, a mail generator, and a web server computer operationally connected through the Internet to remote ...
A quick search brought up wo9717774 selective advertisement presentation 1994
And wo9415294 interactive computer system with multiprotocol capability 1997 neither is cited on front page of the patent in question. Good luck.