Home
CV
Projects
Teaching
Pre-PhD
Patent Pills
Contact
Light
Dark
Automatic
IT
Matilde Pionzio-Cavagnino, US915474A
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.
1 min read
IT
Cite
×