A data processing controlled display system for the interactive display and control of a hierarchical trees of elements or objects in which multiple tree views are presented to the user. The objects in the views are selectable to display detail views of the objects, particularly attributes of the child...http://www.google.com.tw/patents/US6281896?utm_source=gb-gplus-share專利 US6281896 - Data processor controlled interface with multiple tree of elements views expandable into individual detail views