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| Patents for E. W. Osborn | |||||
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| Number | Date | Patentee | Title | Type | |
| 241,857 | May 24, 1881 | A. Williams, G. Gowan | Reciprocating-saw mill | reciprocating sawmills | |
| 245,988 | Aug. 23, 1881 | A. Williams | Wood-boring machine | woodworking horizontal borers | |
| 267,048 | Nov. 07, 1882 | A. Williams | Edging-machine | circular ripsaws | |