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| Patents for E. J. Skinner | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 454,074 | Jun. 16, 1891 | J.N. Skinner | Drill-chuck | |
 | 460,601 | Oct. 06, 1891 | J.N. Skinner | Lathe-Chuck | |
 | 463,392 | Nov. 17, 1891 | J.N. Skinner | Lathe-chuck | |
 | 508,533 | Nov. 14, 1893 | J.N. Skinner | Face-plate jaw | |
 | 1,053,530 | Feb. 18, 1913 | A.A. North | Drill-chuck | |