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| Patents for Farrel Foundry & Machine Co. | |||||
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| Number | Title | Classification(s) | |||
| 249,382 | Machine for Grooving Metal Rolls | 409/304 | |||
| 457,395 | Cane Mill | 100/163A, 100/168 | |||
| 628,752 | Double tool-holder for machine-tools | 409/348 | |||
| 707,890 | Variable-speed clutch | 126/102, 74/330, 74/363 | |||
| 1,635,263 | Cane Grinding Mill | 100/162R, 100/96 | |||