Janan Lahl, US1011448A
Adjustable Head Rest for Bath-Tubs.
Image credit: Lahl, J. (1910)
On December 12, 1911, Janan Lahl of Atlantic, Iowa, patented an adjustable head-rest for bath tubs. Formed from a single piece of spring wire, the device gripped the tub securely while allowing a cushioned pillow to slide along the frame without screws or fasteners.
Date of Application: 15 December 1910
Date of Issuance: 12 December 1911
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.