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| Patents for T. D. Butler | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,337 | Jan. 30, 1855 | P. Youngs | Sawing-machine | circular sawmills | |
| 1,180,896 | Apr. 25, 1916 | I.A. Weaver | Press | arbor presses | |
| 1,200,626 | Oct. 10, 1916 | F.L. Lane | Lubricating system | woodworking machine lubrication | |
| 1,254,267 | Jan. 22, 1918 | R.O. Pickin | Drill | ||