February 2, 1993

Steinway & Sons employees Salvadore J. Calabrese, Henry A. Scarton, S. Frank Murray, Christopher M. Ettles, Warren C. Kennedy, Saim Dinc, Bessem Jlidi, and William Strong receive the United States patent #5,183,955, to the “Piano Key Covers Formed of Ivory Substitute and Pianos having Same”.