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| Patents for Windsor Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 423,088 | Mar. 11, 1890 | C.S. Sherman | Turret-lathe | turret lathes | |
| 904,866 | Nov. 24, 1908 | G.O. Gridley | Multi-spindle machine | screw machines | |
| 1,130,398 | Mar. 02, 1915 | G.O. Gridley | Screw-threading mechanism | screw machines | |