Opal L. Reason, US2225018A
Restraining Device.
Image credit: Reason, O.L. (1939)
On December 17, 1940, Opal L. Reason of Waynesville, Ohio, was granted a patent for a novel device designed to help children sit comfortably in a chair. The device featured an adjustable, elongated strap that allowed the child to move freely while seated, providing both stability and comfort.
Date of Application: 30 October 1939
Date of Issuance: 17 December 1940
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.