Franziska Zuza, AT26450B
Verfahren zur Erzeugung von mit appretierten Daunen gefüllten Bettdecken.
Image credit: Zuza, F. (1905)
On November 26, 1906, Franziska Zuza of Vienna patented a method for making down-filled comforters using coated feathers. By blowing a mixture of down and powdered adhesive into the fabric and then activating the coating with heat or steam, her process allowed even filling while preventing dust loss and feather escape.
Date of Application: 2 May 1905
Date of Issuance: 26 November 1906
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.