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Patents for Charles Stengel
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
183,030Oct. 10, 1876C. StengelImprovement in machines for forming dovetail-joints in wood-working
199,117Jan. 08, 1878C. StengelImprovement in dovetailing-machines
211,531Jan. 21, 1879C. StengelImprovement in dovetailing-machines
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