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Martha Thal, US2248289A
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.
Francesca Chiaradia
Jun 20, 2024
1 min read
US
Sara E. Wiltse, US821391A
On May 22, 1906, Sara E. Wiltse, living in Boston, was awarded a patent for developing a novel apparatus consisting of stairs to enable small children to exercise. Date of Application: 20 November 1905
Francesca Chiaradia
Jun 20, 2024
1 min read
US
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