Patent Suit Filed Against ESPN: Also in Andrews this month, InternetAd Systems has filed a patent infringement suit against ESPN, Travelocity and the New York Times for alleged violations of four patents the company owns. The four patents are: No. 5,572,643 (Web Browser with Dynamic Display of Information Objects During Linking), No. 5,737,619 (World Wide Web Browser With Content Delivery Over an Idle Connection and Interstitial Content Display), No. 6,185,586 (Content Display During Idle Time as a User Waits for Information During an Internet Transaction), and No. 6,457,025 (Interstitial Advertising Display System and Method).