STN Viewer enhanced with full-text patent content from USPATOLD
20. December 2007
Patent documents from U.S. Patents Pre-1976 (USPATOLD) are now available with STN Viewer. USPATOLD includes more than 3.5 million records and covers the full text of patents issued from the U.S. Patent and Trademark Office (USPTO) from 1790-1975.
For additional information on USPATOLD, refer to the STN Database Summary Sheet (http://www.cas.org/support/stngen/dbss/index.html) or STNGuide.