Marguerite-Hortense Lançon, CH4598A
Boîtes de Montre en Aluminium Soudées à la Soudure d’Aluminium.
Image credit: Lançon, M.H. (1891)
On June 30, 1892, Marguerite-Hortense Lançon of Bienne was granted a patent for a novel aluminum watch case. Her design featured an integrated structure, allowing all the main components to be assembled in a single motion, eliminating the need for separate assembly of individual parts.
Date of Application: 24 December 1891
Date of Issuance: 30 June 1892
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.