Lillian R. Kubias, US2521857A

Turn Signaling Device.

On September 12, 1950, Lillian R. Kubias patented a turn-signaling device with illuminated transparent arms that extended from a vehicle to indicate direction. The system used solenoids and timed circuits to automatically deploy, flash, and retract the signal arms.

Date of Application: 16 March 1949

Date of Issuance: 12 September 1950

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