Franziska Gangloff, AT9544B

Schabmesserkopf.

Image credit: Ganglhoff, F. (1901)

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.

Date of Application: 5 August 1901

Date of Issuance: 25 October 1902

For more information, please refer to the following webpage:

Francesca Chiaradia
Francesca Chiaradia
PhD Student in Economics

My research interests include law and economics, economics of innovation, and information economics.