A data delivery system which delivers created data to all the parties that need it. Documents such as engineering drawings are stored as bulk data files in a bulk data database. Metadata files containing attribute information of bulk data are stored in a metadata database. When the date and time of a...http://www.google.es/patents/US7155504?utm_source=gb-gplus-sharePatente US7155504 - Data delivery system and sending station therefor
