Ana Ballen de Guzman, FR470060A
Appareil pour le Transport de Personnes Malades ou Infirmes, Permettant Notamment de les Introduire et les Maintenir dans une Baignoire.
Image credit: Ballen de Guzman, A. (1914)
On August 20, 1914, Ana Ballen de Guzman of Paris patented a device for transporting sick or infirm patients, particularly for safely lowering them into a bathtub. The mobile frame used a cable-and-pulley system operated by a hand crank, allowing a single caregiver to raise or lower a patient securely and with ease.
Date of Application: 25 March 1914
Date of Issuance: 20 August 1914
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.