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| All Patents in class 366/325.3 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,505X | Jun. 11, 1829 | C. Foss | Churn | churns | |
| 6,505X | Apr. 21, 1831 | D. Smith | Churn | churns | |
| 24,134 | May 24, 1859 | T. McBean | Egg Beater | egg and cream beaters | |