Yvonne-Suzanne Grawitz, FR436198A
Stéréoscopie Colorée.
Image credit: Grawitz, Y.S. (1911)
On March 20, 1912, Yvonne-Suzanne Grawitz of Montpellier, France, patented a novel method for producing color stereoscopic images. By photographing each half of a stereo pair through complementary color filters (e.g., red and green) and viewing them through matching filters, her system allowed the final image to appear both three-dimensional and in its natural colors.
Date of Application: 7 July 1911
Date of Issuance: 20 March 1912
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.