Martha Banach, US1618144A
Hair Waver, US1618144A.
Image credit: Banach, M. (1893)
On February 15, 1927, Martha Banach of New York received a patent for a novel hair waver. The device features two adjacent corrugated plates sized to match the desired width of the hair wave.
Date of Application: 7 April 1926
Date of Issuance: 15 February 1927
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.