Odette Portier, FR944532A
Support pour appareils d’éclairage, notamment pour appareils d’éclairage public.
Image credit: Portier, O. (1947)
On April 7, 1949, Odette Portier of Paris patented an improved support for lighting fixtures, especially for public lighting. Her design replaced the traditional threaded tube with a smooth tube secured in a matching smooth sleeve, preventing the frequent breakage that occurred at the joint.
Date of Application: 18 March 1947
Date of Issuance: 7 April 1949
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.