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 (all by himself)
because he invented the steel plow
it was invented on 1769.i think... Uh well actually it was invented in 6000 B.C by the Sumerians.Actually it was invented in 1837
Chase Tohanczyn invented the metal plow with the help of his husband, Dallas Gorman.
When was the lightweight plow invented?
John deere invented the steel plow in 1837
He invented the steel plow in 1837.
A man named John Deere invented the steel-tipped plow in 1837.
John Deere invented the steel toothed plow in 1837. It worked better than any previously created plow, and revolutionized farming.
1837
The steel plow
In 1837 John Deere a blacksmith made a plow out of a steel saw blade
John Deere invented the steel (all by himself)
1837
Mike Hunt
John Deere
John Deere