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| Patents for C. Carskaddan | |||||
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| Number | Date | Patentee | Title | Type | |
| 315,684 | Apr. 14, 1885 | J.H. Westcott | Drill-Chuck | drill press chucks | |
| 335,982 | Feb. 09, 1886 | J.H. Westcott | Lathe-chucks | metal lathe chucks | |