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| Patents for John D. Ballou | |||||
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| Number | Date | Patentee | Title | Type | |
| 174,142 | Feb. 29, 1876 | C.B. Martin | Improvement in Nut-Crackers | nutcrackers | |
| 435,311 | Aug. 26, 1890 | C.O. Lambert | Gage | micrometer depth gauges | |