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| Patents for Knowles Loom Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 381,788 | Apr. 24, 1888 | G.F. Huthins | Planer Attachment for Cutting Internal Gears | metal planer accessories | |
| 492,966 | Mar. 07, 1893 | G.H. Nutt | Machine for Cutting Worms for Gearing | milling machines | |