Clover Lewell Perkins, US1436818A
Publication.
Image credit: Lewell Perkins, C. (1921)
On November 28, 1922, Clover Lewell Perkins of Highland Park, Illinois, patented an innovative newspaper design that reduced printing costs for classified advertisements. Her system separated classified ads into a smaller supplement distributed only to readers who requested it, using matching coupons to link the main paper and the supplement for accurate distribution and accounting.
Date of Application: 23 March 1921
Date of Issuance: 28 November 1922
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.