Matilde Pionzio-Cavagnino, US915474A
Machine for Registering Commercial Transactions by Double Entry.
Image credit: Pionzio-Cavagnino, M. (1905)
On March 16, 1909, Matilde Pionzio-Cavagnino of Turin, Italy, was granted a patent for a novel machine designed to register commercial transactions and facilitate bookkeeping. The device aimed to assist both experienced accountants and beginners.
Date of Application: 28 February 1906
Date of Issuance: 16 March 1909
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.