| http://www.w3.org/ns/prov#value | - A computer system is coupled to a display for displaying graphic and other data and to a pointer control device which permits a user to selectively position a pointer on the...http://www.google.com/patents/US5243697?utm_source=gb-gplus-sharePatent US5243697 - Method and apparatus for selecting button functions and retaining selected options on a displayAdvanced Patent SearchPublication numberUS524
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