Alberta Johnson, US2464580A
Animal Toilet Fixture.
Image credit: Johnson, A. (1945)
On March 15, 1949, Alberta Johnson of Old Westbury, New York, was granted a patent for an innovative animal toiletry facility. Her design featured a stationary fixture that allowed animals to mount a platform where their excreta could be flushed away, thereby improving the sanitary conditions of public lawns and parks.
Date of Application: 17 July 1945
Date of Issuance: 15 March 1949
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.