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Patents for Phineas B. Smith Jr.
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
65,173May 28, 1867S.E. ChubbuckImproved machine for cutting sheet leadcutting and trimming machines
67,721Aug. 13, 1867S.E. ChubbuckImproved apparatus for moulding plates of leadcasting molds
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