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Patents for G. Y. Skinner | |||||
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Number | Date | Patentee | Title | Type | |
894,782 | Jul. 28, 1908 | G.H. Rowe | Rock hammer-drill | handheld power hammers | |
938,708 | Nov. 02, 1909 | G.H. Rowe | Stamp mill | ore processing apparatus | |
1,203,780 | Nov. 07, 1916 | F.L. Railbow | Drill | hand drills |