1794 – Josiah Pierson patented a “cold-header” (rivet) machine.
1880 – Flour rolling mill patented (John Stevens of Wisc).
1903 – Wright brothers obtained airplane patent.
1912 – Dixie Cup invented.
1794 – Josiah Pierson patented a “cold-header” (rivet) machine.
1880 – Flour rolling mill patented (John Stevens of Wisc).
1903 – Wright brothers obtained airplane patent.
1912 – Dixie Cup invented.