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Cochran's dishwasher patent, 1886
Cochran's dishwasher patent, 1886. Printed patent drawing of the dishwasher produced by US inventor Josephine Garis Cochran (1839-1913), later known as Cochrane. Her design was the first to use water pressure to clean the dishes. Earlier designs had used mechanical scrubbers. Cochrane was inducted into the National Inventors Hall of Fame in 2006. This is patent number 355,139 from the US Patent Office, dated 28 December 1886. Photo by US NATIONAL ARCHIVES AND RECORDS ADMINISTRATION/SCIENCE PHOTO LIBRARY
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