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| Patents for George T. Riddle | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 143,033 | Sep. 23, 1873 | G.T. Riddle | Improvement in sawing-machines | |
![]() | 170,114 | Nov. 16, 1875 | G.T. Riddle | Improvement in matching-machines for box-stuff | |
![]() | RE7,303 | Sep. 05, 1876 | G.T. Riddle | Improvement in sawing-machines | |