Francesca C. Shotwell, US1209051A
Collapsible Funnel.
Image credit: Shotwell, F.C. (1915)
On December 19, 1916, Francesca C. Shotwell of Monroe, Louisiana, obtained a patent for a novel funnel that folded into a small metal container and popped open when released. Built with metal springs, a flexible cone, and removable strainer caps, it made filling radiators and fuel tanks cleaner and easier.
Date of Application: 27 September 1915
Date of Issuance: 19 December 1916
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.