Theodosia E. Linfoot, US1275277A

Animal Nose-Yoke.

Image credit: Linfoot, T.E. (1916)

On August 13, 1918, Theodosia E. Linfoot of Lambert, Oklahoma, patented an animal nose-yoke designed to keep livestock from escaping enclosures or damaging fences. Her invention featured a wire ring secured to the animal’s nose with a hanging chain, which caught on obstacles if the animal tried to push through or jump a fence.

Date of Application: 14 July 1916

Date of Issuance: 13 August 1918

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Francesca Chiaradia
Francesca Chiaradia
PhD Student in Economics

My research interests include law and economics, economics of innovation, and information economics.