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| Patents for D. J. Murphy | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,602 | Mar. 07, 1854 | L.B. Tyng | Tail Stock for Turning Lathes | metal lathe accessories and attachments | |
| 441,834 | Dec. 02, 1890 | J.L. Freeman | Tool Holder | metal lathes | |