AT

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.

On October 25, 1902, Franziska Gangloff, a resident of Rožmitál, Czech Republic, was awarded a patent for developing a novel head for scraping knives, specifically designed to process the wide side surfaces of shingles on shingle machines.

On February 10, 1949, Franziska Herzberg, a resident of Graz, was awarded a patent for developing a novel luggage rack and child seat for the front wheel of bicycles. The invention featured a lighter and simpler design intended to reduce stress on the wheel.

On December 28, 1925, Franziska Joksch of Vienna received a patent for developing a novel multiplication device aimed at expediting calculations and reducing the range of multiplication tasks. This device builds upon earlier innovations, incorporating individual tables up to 1000 and a small set of simple tools to facilitate efficient computation, especially for common uses in small businesses.

On November 10, 1932, Franziska Nadherny of Vienna received a patent for developing innovative rubber toys, featuring multiple punched toy figures and a flexible pedestal. Date of Application: 23 December 1931