A method for reuse of image data in a distributed computer network is operative at a web server in response to a request from a client browser for a web page. At the web server, a determination is made regarding whether the web page includes a given object reference. If so, a template defining a composite...http://www.google.com.au/patents/US6539420?utm_source=gb-gplus-sharePatent US6539420 - Distribution mechanism for reuse of web based image data