Alberta M.F. Caspar, US340485A
Method of Imitating Stained Glass.
Image credit: Caspar, A.M.F. (1886)
On April 20, 1886, Alberta Mary Frances Caspar of London was granted a patent for developing a novel method to imitate stained glass. The invention included an adhesive surface designed to be applied directly to glass and a compound to preserve the coloring without alteration.
Date of Application: -
Date of Issuance: 20 April 1886
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.