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| Patents for T. A. Curtis | |||||
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| Number | Date | Patentee | Title | Type | |
| 288,624 | Nov. 20, 1883 | L.L. Davis | Spirit Level and Plumb | metallic levels | |
| 294,296 | Feb. 26, 1884 | L.E. Whiton, D.E. Whiton | Lathe-chuck | metal lathe chucks | |