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Patents for Edward Dummer
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
207,810Sep. 10, 1878J.G. Alexander, H. KeanImprovement in hanging circular sawsdado machines
271,128Jan. 23, 1883J.W. RomansCenter Square & Bevelcenter marking gauges
291,235Jan. 01, 1884W.E. SibleyPencil-sharpener
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