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Jason Emerson
"In addition to his other accomplishments, Abraham Lincoln was the only U.S. president to hold a registered patent. Jason Emerson offers the first treatment of Lincoln's invention of a device to buoy vessels over shoals and its subsequent patent in May 1849 as more than a mere historical footnote."--Back cover.
| Publisher | Southern Illinois University Press |
|---|---|
| Pages | 111 |
| Search language | english |
| ISBN_10 | 0-809-32897-6 primary |
| ISBN_10 | 0-809-32898-4 primary |
| ISBN_13 | 978-0-809-32897-0 primary |
| ISBN_13 | 978-0-809-32898-7 primary |
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