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Patents for Rochester Machinery Co. | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 82,501 | Sep. 29, 1868 | W. Dobson | Improvement in scrollsaws | |
![]() | 92,288 | Jul. 06, 1869 | W.H. Dobson | Improvement in scroll-sawing machines |