Agnes A. Colfer, CA68401A
Clasp.
Image credit: Colfer, A.A. (1900)
On August 9, 1900, Agnes Anastasia Colfer of Montreal, Canada, patented a new clasp for typewriting machines. It automatically kept erasive rubber away from the mechanism, helping prevent jams and blockages.
Date of Application: 28 July 1900
Date of Issuance: 9 August 1900
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.