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| All Patents in class D7/372 | |||||
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| Number | Date | Patentee | Title | Type | |
| D3,457 | Apr. 27, 1869 | W.D. Leavitt, H. Shaw | Design for a grinding-mill | ||
| D3,458 | Apr. 27, 1869 | H. Shaw, W.D. Leavitt | Design for a grinding-mill | ||