A method and system for on-line proofing of documents, including the steps of sending by a client computer a document request to a document server computer, transmitting a proof document from the document server computer to the client computer in response to the document request, sending by the client...http://www.google.fr/patents/US7536446?utm_source=gb-gplus-shareBrevet US7536446 - Method and system for viewing scalable documents
