Abraham Lincoln is the only U.S. President to have received a patent. His invention involved inflatable air chambers on a boat to help float the boat through low water or over sandbars.




« Book Review: Math You Can't Use | Main | Supreme Court Denies Phillips v. AWH Petition for Certiorari »
TrackBack URL for this entry:
http://www.typepad.com/services/trackback/6a00d8341c588553ef00d8355cb84969e2
Listed below are links to weblogs that reference President's Day Patent:
The comments to this entry are closed.
Occasional guest posts by IP practitioners and academics


Comments