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| Patents for M. Stewart | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 109,037 | Nov. 08, 1870 | E.H. Morris | Plane with Intersecting Ridges on Sole | |
 | 112,143 | Feb. 28, 1871 | H.L. Hildreth | Improvement in Screw Drivers | |
 | 112,780 | Mar. 21, 1871 | F. Castle | Improvement in Combined Gauges and Try Squares | |