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| Patents for Charles S. Bement | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 104,249 | Jun. 14, 1870 | C.S. Bement | Improvement in Machine For Graduating Squares, &c. | |
 | 110,623 | Jan. 03, 1871 | C.S. Bement | Improvement in Machines for Marking Squares | |
 | 112,379 | Mar. 07, 1871 | F.A. Pratt | Improvement in machines for shaping and cutting gear-cutters | |
 | 151,827 | Jun. 09, 1874 | C.S. Bement | Improvement in Machines for Stamping Carpenters' Squares | |
 | 152,323 | Jun. 23, 1874 | C.S. Bement | Improvement in machines for grinding carpenters' squares | |