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Patents Granted on 1827-07-21
Patents 1 - 3 of 3
First set of recordsLast set of records
4,824XJul. 21, 1827D. OlmsteadManufacture of gas lights from cotton seed
4,825XJul. 21, 1827G. Hill, E. MannPortable crane for raising brick, etc.cranes
4,826XJul. 21, 1827A. Coe, J. CoeGrist millgrist mills
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