1955 – Lloyd Conover patented the antibiotic tetracycline.
1895 – Printing and Binding Act of 1895 prohibited the copyrighting of any Government publication.
1854 – Anthony Foss patented an accordion.
1930 – Mickey Mouse cartoon first appeared in newspapers throughout the U.S.
1873 – “Celluloid” registered as a trademark.
1890 – George Cooke received a patent for a gas burner.
1914 – Henry Ford introduces an assembly line for Model T.