Aurelia R. Koch, US2535074A
Skirt Marker.
Image credit: Koch, A.R. (1948)
On December 26, 1950, Aurelia Relia Koch of West Hollywood, California, was granted a patent for a novel dress marker. Her design featured an adjustable marker with a scriber that could be conveniently folded away when not in use.
Date of Application: 2 March 1948
Date of Issuance: 26 December 1950
For more information, please refer to the following webpage:
Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.