Rosalyn Litschgi, US2199205A
Ash Tray.
Image credit: Litschgi, R. (1938)
On April 30, 1940, Rosalyn Litschgi of Saint Louis, Missouri, obtained a patent for a covered ash tray. Designed to accommodate cigarettes, cigars, and the stubs, her invention featured inclined grid rests that kept wrappers dry and allowed stubs to drop easily into the receptacle below.
Date of Application: 14 September 1938
Date of Issuance: 30 April 1940
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.