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Patents for Electro-Magnetic Tool Co.
Patents 16 - 18 of 18
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NumberDatePatenteeTitleType
1,598,090Aug. 31, 1926J. LaroccaImpacting toolimpact chisels and drills
1,598,091Aug. 31, 1926J. LaroccaImpacting toolimpact chisels and drills
DE-467,720Oct. 30, 1928Impact tool
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