| Patent | |
|---|---|
 Patent Model of Abraham Lincoln's invention at Smithsonian Institution | |
| Patent number | 6,469 |
| Patent holder(s) | Abraham Lincoln |
| Application date | Mar 10, 1849 |
| Patent date | May 22, 1849 |
| Country | United States of America |
| Region | Illinois |
| Patent | |
|---|---|
Patent Model of Abraham Lincoln's invention at Smithsonian Institution | |
| Patent number | 6,469 |
| Patent holder(s) | Abraham Lincoln |
| Application date | Mar 10, 1849 |
| Patent date | May 22, 1849 |
| Country | United States of America |
| Region | Illinois |