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| Patents for John L. Peters | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 172,664 | Jan. 25, 1876 | D. Slate | Tool Holder for Metal Turning Lathes | |
![]() | 173,802 | Feb. 22, 1876 | T. McDonough | Improvement in Calipers and Dividers | |