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| Patents for Isabel Chester | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 466,854 | Jan. 12, 1892 | J.H. Mitchell | Duplex dough-sheeting machine | |
 | 489,973 | Jan. 17, 1893 | J.H. Mitchell | Dough-machine | |
 | 497,095 | May 09, 1893 | T. Hall | Drill-grinder | |