Patents Microsoft may be infringing...

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Patent Region Patent NR Title
US 5,057,932 Audio/vieo transceiver apparatus including compression means, random access storage means, and microwave transceiver means
US 5,164,839 Method for handling audio/video source information
US 5,262,875 Audio/video file server including decompression/playback means
US 5,644,334 Status indicators of an improved graphical user interface
US 6,073,124 Method and system for securely incorporating electronic information into an online purchasing application
US 5,440,334 Broadcast video burst transmission cyclic distribution apparatus and method
US 5,963,202 Sytem and method for distributing and managing digital video information in a video distribution network
US 5,530,758 Operational methods for a secure node in a computer network
US 5,768,126 Kernel-based digital audio mixer
US 6,356,874 Computer-based method and system for ordering services
US 5,513,309 Graphic editor user interface for a pointer-based computer system
US 5,600,779 Method and apparatus for providing visual cues in a graphic user interface
US 5,809,145 System for distributing digital information
US 6,507,837 Tiered and content based database searching
US 5,845,227 Method and apparatus for providing shortest elapsed time route and tracking information to users
US 5,226,161 ntegration of data between typed data structures by mutual direct invocation between data managers corresponding to data types
US 5,421,012 Multitasking computer system for integrating the operation of different application programs which manipulate data objects of different types
US 6,449,634 Method and system for remotely sensing the file formats processed by an E-mail client
US 6,184,868 Haptic feedback control devices
US 5,016,009 Data compression apparatus and method

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