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| Patents for Butterfield & Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 231,387 | Aug. 17, 1880 | L.A. Young | Device for cutting axles | |
 | CA-12,068 | Dec. 01, 1880 | L.A. Young | Improvement on axle cutters | |
 | 320,693 | Jun. 23, 1885 | G.L. Reece | Screw-plate | |
 | CA-21,981 | Jul. 03, 1885 | G.L. Reece | Screw plate | |