Nadia A. Ovsey, US2017916A
Washer.
Image credit: Ovsey, N. (1933)
On October 22, 1935, Nadia A. Ovsey of Los Angeles, California, patented a dual-compartment washing machine. Her invention allowed two separate types of garments or fabrics to be washed simultaneously in separate bodies of washing fluid using a single agitator-driven shaft, increasing washing capacity while preventing cross-contamination.
Date of Application: 24 July 1933
Date of Issuance: 22 October 1935
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.