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| Patents for Calvin S. Greenwood | |||||
| Number | Date | Patentee | Title | Type | |
| 106,006 | Aug. 02, 1870 | G.A. Watkins | Improvement in saw-table for sawing irregular forms | bandsaws | |
| 119,732 | Oct. 10, 1871 | W. Aldrich, A.F. Spaulding | Improvement in devices for pressing chair-sets into their frames | chair maker | |