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| Patents for William P. Laraway | |||||
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| Number | Date | Patentee | Title | Type | |
| 440,740 | Nov. 18, 1890 | C.H. Cooley, F.H. Richards | Scale-beam for grain-weighers | ||
| 782,238 | Feb. 14, 1905 | B.M. Hanson | Steady Rest for Metal Working Machines | metal lathe accessories and attachments | |