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| Patents for S. S. Grotta | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 813,319 | Feb. 20, 1906 | W.J. McIntyre | Tool for Marking and Incising Hinge-Butt Recesses | |
 | 847,599 | Mar. 19, 1907 | C.H. Parks, R.S. Brown | Means for clamping and filing saws | |
 | 875,688 | Jan. 07, 1908 | C. Bodmer | Hinge-Butt Gage | |