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All Patents in class 425/190
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
177,851May 23, 1876P.H. KellsImprovement in brick and tile machinesmanufacturing bricks and tiles
RE8,127Mar. 19, 1878P.H. KellsImprovement in brick-machinesbrick and tile making machines
202,948Apr. 30, 1878P.H. KellsImprovement in brick and tile machinesmanufacturing bricks and tiles
RE8,867Aug. 19, 1879P.H. KellsImprovement in brick-machinesbrick and tile making machines
255,870Apr. 04, 1882P.H. Kells, J.M. Kells, A. KellsBrick-machinebrick and tile making machines
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