Inventions and inventors By Faith.Beachler Jan 1, 1800 Clock May 2, 1844 Telograph Jan 1, 1846 Sewing Machine Jan 1, 1849 Safety Pin May 2, 1856 Suspension Bridge Jan 1, 1859 Escalator Jan 1, 1863 Barbed wire Jan 1, 1881 Modern day Fire Hydrant Jan 1, 1885 calculator