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WASHINGTON - APRIL 29: Joel S. Spira, chairman of Lutron Electronics, speaks at the donation ceremony of Lutron objects to the Smithsonian's National Museum of American History on April 29, 2010 in Washington, DC. Lutron donated a variety of objects from the company's history, including one of the first light dimmers. (Photo by Brendan Hoffman/Getty Images for Lutron)

WASHINGTON - APRIL 29: Joel S. Spira, chairman of Lutron Electronics, speaks at the donation ceremony of Lutron objects to the Smithsonian's National Museum of American History on April 29, 2010 in Washington, DC. Lutron donated a variety of objects from the company's history, including one of the first light dimmers. (Photo by Brendan Hoffman/Getty Images for Lutron)