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Austrian-born American actress and inventor Hedy Lamarr died #OTD in 2000.
Lamarr wanted to aid the Allied forces during World War II. She shared her concept for using “frequency hopping” with the U.S. Navy and codeveloped a patent with Antheil 1941. Today, her innovation helped make possible a wide range of wireless communications technologies, including Wi-Fi, GPS, and Bluetooth.
Below, U.S. patent 2,292,387 granted on August 11, 1942, under her legal name Hedy Kiesler Markey.
