JOHN DEERe invented the polished steel plow in 1837 out of a broken sawmill blade.
John Deere did not invent the first cast steel pot. You may wish to re examine what your question really is.
1837
John Deere introduced the first steel plough in 1837
Yes he did.
He invented it in 12356
steel plow
mechanical reaper
Steel plow
yes he did. not john deere
Everything in the John Deere showroom.
Everything in the JOHN DEERe showroom.
Which one? The Froelich tractor which led to the Waterloo Boy which led to the Model D was invented by John Froelich while the John Deere-Dain, the first tractor to bear the John Deere name, was invented by Joseph Dain.