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| Patents for Greenwich Machine Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 119,674 | Oct. 03, 1871 | W. Weaver | Improvement in Mechanical Movement | industrial machine pulleys and belt drive mechanisms | |
| 123,211 | Jan. 30, 1872 | W. Weaver | Combined scrollsaw, circular saw, planer, and boring machine | scrollsaws | |