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14 flagships · 25 briefs · 8 dossiers · 1,441 entities — record updated October 4, 2026

Thomas L. Jennings

CTL-E-1099 · Institution · other · unspecified

PROVISIONAL evidence grade of this record

Thomas Jennings was the first African American to receive a United States patent: US X3306 for a 'dry scouring' process, granted 1821-03-03.

Notes

Merged into canonical KG 2026-10-03 from TECH-001; source entity IDs: CTL-DR-TECH-001:TECH-E-101; source research type(s): None. Era not present in source research record(s); marked unspecified pending human review.

Sources

Record CTL-E-1099 · CultureTechLens Knowledge Graph · evidence grade: PROVISIONAL · 1 source · CTL research: TECH-001.
Directory: all entity records · the knowledge graph

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Cite as: CultureTechLens, “Thomas L. Jennings (CTL-E-1099),” CultureTechLens Knowledge Graph, October 2026. https://culturetechlens.com/graph/entities/ctl-e-1099/

Chicago: CultureTechLens. “Thomas L. Jennings (CTL-E-1099).” CultureTechLens Knowledge Graph. Chicago, IL: CultureTechLens, 2026. https://culturetechlens.com/graph/entities/ctl-e-1099/
APA: CultureTechLens. (2026). Thomas L. Jennings (CTL-E-1099) [Entity record]. CultureTechLens Knowledge Graph. https://culturetechlens.com/graph/entities/ctl-e-1099/
MLA: CultureTechLens. “Thomas L. Jennings (CTL-E-1099).” CultureTechLens Knowledge Graph, 2026, https://culturetechlens.com/graph/entities/ctl-e-1099/

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The Chess Records studio booth during restoration, Chicago
The Chess Records studio booth during restoration, ChicagoPhoto: get directly down, CC BY 2.0, via Wikimedia Commons
Ida B. Wells — portrait from ‘Women of Distinction’ (1893)
Ida B. Wells — portrait from ‘Women of Distinction’ (1893)Photo: Public Domain (from ‘Women of Distinction,’ 1893), via Wikimedia Commons
Jacking up a car on the repair tracks at an Illinois Central Railroad yard, Chicago, Chicago, 1942
Jacking up a car on the repair tracks at an Illinois Central Railroad yard, Chicago, Chicago, 1942Photo: Jack Delano, FSA-OWI, Public Domain, via Library of Congress

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