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| Patents for Interchangeable Tool Co. | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | DE-5,441 | Jun. 02, 1879 | T.G. Hall | Kneifzange | |
![]() | RE10,028 | Feb. 07, 1882 | T.G. Hall | Cutting nippers | |
![]() | 419,666 | Jan. 21, 1890 | T.G. Hall | Nippers | |