Helen A. Blanchard, US683900A
Hat-Sewing Machine.
Image credit: Blanchard, H.A.(1896)
On August 10, 1901, Helen A. Blanchard of Portland, Maine, patented an improved machine specifically designed for sewing sweatbands to the reed holders of hats. Her invention operated without the use of a needle, which would have been detrimental to the sewing process.
Date of Application: 24 June 1896
Date of Issuance: 8 October 1901
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.