Ava I. Chandler, US971490A
Holder for Electric Light Globes.
Image credit: Chandler, A.I. (1909)
On September 27, 1910, Ava I. Chandler of Marion, Ohio, patented an adjustable holder for electric-light globes. Made of spring-wire rings joined by converging braces, her design securely gripped both socket and shade without screws and fit fixtures of various sizes.
Date of Application: 22 December 1909
Date of Issuance: 27 September 1910
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Francesca Chiaradia
PhD Candidate in Economics
My research interests include innovation, law, and information economics.