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| Patents for John T. Peters | |||||
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| Number | Date | Patentee | Title | Type | |
| 183,798 | Oct. 31, 1876 | A.F. Champlin | Improvement in Tools for Sharpening Drills | bench or pedestal grinders | |
| 204,665 | Jun. 11, 1878 | H. Hammond | Hammer | hammers | |
| 210,875 | Dec. 17, 1878 | E.S. Pierce | Three-jaw scroll chuck with conical volute | ||
| 275,892 | Apr. 17, 1883 | E.A. Darling | Surface Gage | surface gauges | |