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Primary view of Improvement in Truss-Bridges.
Miner, John L.
November 17, 1874
Primary view of Improvement in seed-planters.
Pressly, Thompson
February 17, 1874
Primary view of Improvement in Road-Scrapers.
Mayfield, William Dudley
March 17, 1874
Primary view of Improvement in Horse-Powers.
Landes, Daniel
February 17, 1874
Primary view of Improvement in Guide-Wheels for Car-Trucks.
Hale, Nathan M.
November 17, 1874
Primary view of Improvement in Plows.
Ihringer, August
November 17, 1874
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