Oak L. Ritter, US2529631A
Moving and Sounding Figure Toy.
Image credit: Ritter, O.L. (1947)
On November 14, 1950, Oak L. Ritter of San Francisco patented a duck toy that waddled, opened its beak, and wagged its tail when pulled. A spring made it “quack,” which could be turned off, and guards kept children’s fingers safe.
Date of Application: 26 December 1947
Date of Issuance: 14 November 1950
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