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| Patents for Joel T. Case | |||||
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| Number | Date | Patentee | Title | Type | |
| 108,757 | Nov. 01, 1870 | J.T. Case | Water Wheel | water wheels | |
| RE4,329 | Apr. 11, 1871 | J.T. Case | Water Wheel | water wheels | |
| RE4,330 | Apr. 11, 1871 | J.T. Case | Water Wheel | water wheels | |