Check out the BrainFood podcast: https://itunes.apple.com/us/podcast/the-brainfood-show/id1350586459?mt=2 (Or search y“”) →Some of our favorites: https://www.youtube.com/playlist?list=PLR0XuDegDqP10d4vrztQ0fVzNnTiQBEAA →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut The Interesting Story Behind Lincoln's Beard https://youtu.be/wJRrusMBGxU Where was Lincoln's Bodyguard on the Night He was Assassinated? https://youtu.be/SRAhnXugmU0 In this video: The first paragraph of US patent 6469 reveals nothing that would give the reader any thought to the future greatness of the inventor. The patent is for an improvement to help boats pass over sandbars by adding “adjustable buoyant air chambers” to the bottom of the boat. Want the text version?: http://www.todayifoundout.com/index.php/2016/05/lincoln-us-president-patent/ Sources: http://www.abrahamlincolnonline.org/lincoln/education/patent.htm http://www.smithsonianmag.com/ist/?next=/history/abraham-lincoln-only-president-have-patent-131184751 http://amhistory.si.edu/onthemove/collection/object_1348.html https://books.google.com/books?id=77YnAQAAMAAJ&q=Lincoln+in+NeW+Orleans&dq=Lincoln+in+NeW+Orleans&hl=en&sa=X&ved=0ahUKEwiqj6PdtPrMAhUGcj4KHfmpC08Q6AEILzAB http://www.pddoc.com/skedaddle/articles/abraham_lincolns_patent.htm http://www.popularmechanics.com/technology/infrastructure/a19439/abraham-lincoln-patent http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=00006469&IDKey=93535758E4F8%0D%0A&HomeUrl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect2%3DPTO1%2526Sect2%3DHITOFF%2526p%3D1%2526u%3D%2Fnetahtml%2FPTO%2Fsearch-bool.html%2526r%3D1%2526f%3DG%2526l%3D50%2526d%3DPALL%2526S1%3D0006469.PN.%2526OS%3DPN%2F6469%2526RS%3DPN%2F6469 http://www.lib.niu.edu/1995/ihy950233.html http://www.fwdailynews.com/arc