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Patents for Dana S. Courtney
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
875,328Dec. 31, 1907D.S. CourtneyWoodworking-machinespool or bobbin machines
924,536Jun. 08, 1909D.S. CourtneyTrimming bobbin or spool endsspool or bobbin machines
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