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Patents for George S. Yingling
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
92,124Jun. 29, 1869J.P. SummersImprovement in sawing-machinesdrag saws
298,649May 13, 1884H.T. Heller, A.L. Flack, G.S. YinglingTack-Hammertack hammers
298,650May 13, 1884H.T. Heller, A.L. Flack, G.S. YinglingTack-Hammertack hammers
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