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Patents for Arthur Wellington Kiefer
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,353,246Sep. 21, 1920A.W. KieferPipe Wrenchpipe wrenches
1,380,566Jun. 07, 1921A.W. KieferPipe Wrenchpipe wrenches
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