Thomas Alva Edison, the great American inventor, got his first patent on 1st June 1869. The device was the “Electrographic Vote-Recorder” – a voting machine. It was to be used by legislative bodies such as Congress.
Thomas Alva Edison, the great American inventor, got his first patent on 1st June 1869. The device was the “Electrographic Vote-Recorder” – a voting machine. It was to be used by legislative bodies such as Congress.