Alexandra Graefin von Dyhrn, US992645A


Image credit: Graefin von Dyhrn, A. (1907)

On May 16, 1911, Alexandra Gräfin von Dyhrn of Breslau, in the German Empire, was awarded a patent for developing a novel packaging that used a thin layer of confection.

Date of Application: 7 August 1907

Date of Issuance: 16 May 1911

For more information, please refer to the following webpage:

Francesca Chiaradia
Francesca Chiaradia
PhD Student in Economics

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