Alexandra Graefin von Dyhrn, US992645A
Package.
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
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.