Solveig A. Bierregaard, FR913372A
Semelle Intérieure Orthopédique.
Image credit: Bierregaard, S.A. (1945)
On September 5, 1946, Solveig Aida Bierregaard of Argentina patented an orthopedic insole designed to correct flat feet by restoring the foot’s natural arches. Shaped with opposing inclined planes that rotated the foot into anatomical alignment, it offered support at the natural weight-bearing points without creating pressure or discomfort.
Date of Application: 20 June 1945
Date of Issuance: 5 September 1946
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.