Martha Thal, US2248289A

Process of Producing Pies, US2248289A.

Image credit: Thal, M. (1939)

On July 8, 1941, Martha Thal of Chicago received a patent for developing a novel method for producing industrial pies. Her process aimed to preserve the aromas of home-baked pies by quickly freezing the unbaked product.

Date of Application: 25 March 1939

Date of Issuance: 8 July 1941

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.