Turner, Madeline M.
unknown · Contribution: 1916
'Turner's Fruit-Press' — a mechanical fruit/citrus juicer that fed fruit through cutters to halve it, then pressed the juice between plates in a multi-stage, assembly-line-like process

Portraits are AI-generated interpretations, not photographs.
Impact on the world
Forerunner of modern juice-extraction machines; her patent was later cited by at least seven juicing patents (1948-2014). Exhibited at the 1916 Panama-California Exposition.
Life & background
African-American inventor of Oakland, California; birth and death dates unknown.
Sources
- U.S. patent record; BlackPast.org
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