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Patents for G. F. Brown
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
130,036Jul. 30, 1872T. HagertyImprovement in the Construction of Compasses
130,037Jul. 30, 1872T. HagertyImprovement in the Construction of Compasses
130,038Jul. 30, 1872T. HagertyImprovement in the Construction of Compasses
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