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| Patents for John S. Grist | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-4,087 | Nov. 25, 1874 | S.J. Wright | Combined Carriage Wrench and Bit-Brace | |
 | CA-6,644 | Oct. 11, 1876 | A. Fleck | Improvements on lathes for turning irregular forms | |