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This system will be undergoing maintenance June 27th between 9:00AM and 12:00PM CDT.

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Primary view of Improvement in Machines for Making Plow-Irons.
McGinty, James M. & Nolan, Thomas.
March 4, 1873
Primary view of Improvement in seed-planters.
Pressly, Thompson
February 17, 1874
Primary view of Plow Colter.
Kersh, Alvin Jacob
December 27, 1881
Primary view of Plow.
Wied, August & Lürssen, Henrich
August 21, 1888
Primary view of Cultivator.
Kubenka, Otto E. & Janszen, August W.
October 28, 1919
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