'Only president granted a patent at any time in his life; he got it in 1849 for a ship flotation device'
Abraham Lincoln
INVENTIONS: Only president granted a patent at any time in his life; he got it in 1849 for a ship flotation device
Only president granted a patent at any time in his life; he got it in 1849 for a ship flotation device
Only president granted a patent at any time in his life; he got it in 1849 for a ship flotation device
INVENTIONS
Abraham Lincoln
INVENTIONS