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Patents for Carl G. Ertell
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,650,512Sep. 01, 1953C.G. Ertell, W.J. JohnsonPipe Wrench with Nut Fulcrumed Pivoted Outer Jawpipe wrenches
2,656,751Oct. 27, 1953C.G. Ertell, W.J. JohnsonReplaceable Jaw Insert for Pipe Wrencheswrench jaw components
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