Zofia Filipowska, FR410663A
Dispositif de Fixation pour Chapeaux de Dames.
Image credit: Filipowska, Z. (1909)
On May 26, 1910, Zofia Filipowska of Germany patented a hat fastening device for women’s hats. Her invention used eyelets with small funnel-shaped tubes to allow pins to secure the hat without damaging it, and a protective button at the pin’s end to prevent injuries.
Date of Application: 23 December 1909
Date of Issuance: 26 May 1910
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.