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| All Patents in class 56/312 | |||||
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| Number | Date | Patentee | Title | Type | |
| 80,124 | Jul. 21, 1868 | O. Bonney, Jr. | Improvement in harvesters | harvesters | |
| 95,188 | Sep. 28, 1869 | O. Bonney, Jr. | Improvement in harvesters | harvesters | |