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| Patents for John Bolton | |||||
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| Number | Date | Patentee | Title | Type | |
| 917X | Aug. 02, 1808 | J. Bolton | Churn | churns | |
| 3,634X | Jan. 09, 1823 | J. Bolton | Mills for breaking chaff and hulling clover seed | miller | |
| 6,673X | Jul. 28, 1831 | J. Bolton | Bolt for separating clover chaff from straw | threshers and thrashers | |