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All Patents in class 228/234.1
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,693,725Nov. 09, 1954H.D. CumminsMethod of Making Cutting Tools
3,421,212Jan. 14, 1969E.W. ChabotMethod of producing commutator lead connectionhandheld power tools
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