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All Patents in class 148/528
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
18,327Oct. 06, 1857S. DarlingManufacture of Metallic Squarestry squares
RE2,869Feb. 18, 1868S. DarlingImprovement in the Manufacture of Metallic Squarestry squares
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