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| Patents for Olwyn T. Stacy | |||||
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| Number | Date | Patentee | Title | Type | |
| 184,725 | Nov. 28, 1876 | A.H. Putnam | Improvement in miter-machines | miter boxes | |
| 187,431 | Feb. 13, 1877 | J.P. Tierney | Improvement in miter-machines | miter boxes | |
| 195,650 | Sep. 25, 1877 | J.A. Robb | Improvement in saw-mill set-works | sawmills | |