In 1837 John Deere a blacksmith made a plow out of a steel saw blade
John deere invented the steel plow in 1837
John Deere invented his polished steel plow in 1837. Not sure if or when he made any cast plows though...
John Deere built the first steel plow in 1837 in the town of Grand Detour, IL.
According to the About.com website (refer to the link, below), John Deer invented the steel plow in 1837.
1837
John Deere invented the steel toothed plow in 1837. It worked better than any previously created plow, and revolutionized farming.
A man named John Deere invented the steel-tipped plow in 1837.
He invented the steel plow in 1837.
John Deere
1837
Mike Hunt