Patent Model - Improvement in Check-Row Corn-Planters
Maker and role
Hulbert McConoughey (b.1836, d.1905), Patentee
Hulbert McConoughey (b.1836, d.1905), Assignor
James Hart, Assignee
Austin Smith (b.1823, d.1893), Assignee
Sidney Botts (b.1843, d.1921), Assignee
Production date
Jun 25 1878
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