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| Patents for A. M. Willis | |||||
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| Number | Date | Patentee | Title | Type | |
| 201,403 | Mar. 19, 1878 | G.W. Ford | Improvement in machines for expanding and contracting metal | tire shrinkers | |
| 353,886 | Dec. 07, 1886 | A.E. Roe | Saw-mill set-works | sawmill set works | |