U.S. Patent and Trademark Office Patents, 1790-1909



Source Information

  • Title U.S. Patent and Trademark Office Patents, 1790-1909 
    Author Ancestry.com 
    Publisher Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2008.Original data - United States Patent and Trademark Office. USPTO Patent Full-Text and Image Database. accessed January 2008.Original data: United States Patent and Trademark Office. US; 
    Repository Ancestry.com 
    Source ID S1