U.S. Patent X8447 (Blair seed planter)
VERIFIED evidence grade of this record
U.S. Patent X8447, issued October 14, 1834, covering Henry Blair's seed planter, which sowed corn in a checkerboard pattern for faster planting and weed control.
The record
- Also known as: Patent X8447
Notes
RELP90 new entity (2026-10-06). Name-collision check clean.
Relationships
- Henry Blair — authored by
U.S. Patent X8447 for the seed planter was awarded to Henry Blair.
Sources
- MyBlackHistory.net - Henry Blair: African American Inventor
Record CTL-E-3959 · CultureTechLens Knowledge Graph · evidence grade: VERIFIED · 1 source · 1 mapped relationship · CTL research: RELP-001.
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Cite this record
Chicago: CultureTechLens. “U.S. Patent X8447 (Blair seed planter) (CTL-E-3959).” CultureTechLens Knowledge Graph. Chicago, IL: CultureTechLens, 2026. https://culturetechlens.com/graph/entities/ctl-e-3959/
APA: CultureTechLens. (2026). U.S. Patent X8447 (Blair seed planter) (CTL-E-3959) [Entity record]. CultureTechLens Knowledge Graph. https://culturetechlens.com/graph/entities/ctl-e-3959/
MLA: CultureTechLens. “U.S. Patent X8447 (Blair seed planter) (CTL-E-3959).” CultureTechLens Knowledge Graph, 2026, https://culturetechlens.com/graph/entities/ctl-e-3959/
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