A method and apparatus for providing an optimized page-based electronic document file and downloading the optimized file. An optimized document file is created from a non-optimized electronic document. Page contents are contiguously written in the optimized file and a page offset table is provided in...http://www.google.de/patents/US5860074?utm_source=gb-gplus-sharePatent US5860074 - Method and apparatus for displaying an electronic document with text over object
