Biography
Biography · Science & Inventions
William Chester Ruth
1882–1971
United States
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William Chester Ruth (July 19, 1882 – April 3, 1971) was an African American machinist, business owner, and patented inventor who lived in Chester County and Lancaster County, Pennsylvania. The Pennsylvania Historical and Museum Commission dedicated a state historical marker in Ruth's honor in 2006.
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Biography text · CC BY-SA 4.0 · Source checked 2026-10-13
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