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| Patents for James M. Spear | |||||
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| Number | Date | Patentee | Title | Type | |
| 431,392 | Jul. 01, 1890 | E. Prietz | Lathe Attachment | metal lathe accessories and attachments | |
| 545,090 | Aug. 27, 1895 | W. Wilkson, F.S. McKittrick | Combined Spice Holder, Grinder, Nail Puller, and Gas Wrench | combination tools | |
| 731,833 | Jun. 23, 1903 | G.W. Carver, E. Allen | Lubricator | steam engine lubricators | |