1849 – Voted against Slavery and Received Patent

Resources for Teachers

• Lincoln's US Patent
• Lincoln on political patronage: May 16, 1849
• Abraham Lincoln's Patent Model
• Mr. Lincoln and Freedom - Lincoln Institute

Resources for Students

• Lincoln's US Patent
• ABRAHAM LINCOLN'S PATENT AND OTHER LINCOLN-RELATED PATENTS
• Wikipedia Encyclopedia - Abraham Lincoln
• Abraham Lincoln Political Career Timeline
• Collected Works of Abraham Lincoln - January 10, 1849

Library of Congress Primary Sources

• Zenas C. Robbins to Abraham Lincoln, Friday, April 13, 1849 (Patent): American Memory 

Other Resources

• Smithsonian National Museum of American History  
• Illinois State Library   
• United States Patent and Trademark Office