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Patents for Theron Upson
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
RE5,408May 13, 1873H.K. JonesImprovement in Machines for Graduating Carpenters' Squares
RE6,111Nov. 03, 1874H.K. JonesImprovement in Machines for Stamping Carpenters' Squares
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