Scott de Martinville received French patent #17,897/31,470 for the phonautograph on 25 March 1857, with funding from the Société d'encouragement pour l'industrie nationale.

On 25 March 1857, Scott received French patent #17,897/31,470 for his device, which he called a phonautograph. With funding from the Société d'encouragement pour l'industrie nationale (SEIN), he filed for a patent claiming "A process by means of which one can write and draw by sound . . . and make industrial uses thereof." Alongside the patent, Scott submitted drawings and actual phonautograms he had recorded. The patent was granted in France; the passages do not state the specific city of filing.

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