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| Patents for Farrel Foundry & Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 249,382 | Nov. 08, 1881 | C. Moore | Machine for Grooving Metal Rolls | metal shapers | |
| 457,395 | Aug. 11, 1891 | D.R. Bowen | Cane Mill | sugar cane apparatus | |
| 628,752 | Jul. 11, 1899 | H.M. Brown | Double tool-holder for machine-tools | metal planer tool holders | |
| 707,890 | Aug. 26, 1902 | W.A. Wood | Variable-speed clutch | industrial machine clutches | |
| 1,635,263 | Jul. 12, 1927 | F. Farrel, Jr. | Cane Grinding Mill | sugar cane apparatus | |