United States Patent and Trademark Office (USPTO)(USPTO) is the Federal agency for granting U.S. patents and registering trademarks dating back to 1790 - current.
The USPTO Patent and Published Application Image Databases now use PDF images instead of TIFF images. Document images may be viewed, printed and saved using a standard PDF-equipped browser. In addition to the standard page-by-page viewing, users may now also click on a .Full Document. button to retrieve and save all the images for a document in a single multi-page PDF.