Henry Blair of Glen Ross in the county of Montgomery, and the State of Maryland, received a utility patent on October 14 1834 issued by the U.S. Patent office on a corn seed planter.  Blair was identified in the Patent Office records as “a colored man.”   The corn seed planter allows farmers to plan more corn seed faster with less labor, was assigned 8447X .

Henry Blair signed his patent with an “X” because he could not write.  Henry Blair was born in 1807 and died in 1860.

corn seed planter

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