Franziska Leser, AT33084B
Einrichtung zur Austrocknung feuchter Mauern.
Image credit: Leser, F. (1906)
On May 25, 1908, Franziska Leser, a German inventor from Munich, was granted a patent for developing an innovative device to dry out damp walls. Her invention featured a system of air inlets and wires to ensure constant and extensive air circulation.
Date of Application: 31 July 1906
Date of Issuance: 25 May 1908
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.