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This Day in Patent History - On October 24, 1836, Alonzo D. Phillips patented a friction match.

On October 24, 1836, Alonzo D. Phillips patented a friction match. This was 68th patent issued in US. …

This Day in Patent History – On October 21, 1824, Joseph Aspdin patented Portland cement.

Patent no. BP 5022. Patent Title – An…