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Patents for Specialty Tools Mfrs., Inc.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,814,151Jul. 14, 1931S.N. GundlachShingle Cuttersplitting and shearing machinery
1,981,695Nov. 20, 1934S.N. GundlachShingle Cuttersplitting and shearing machinery
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