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| All Patents in class 384/417 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 299,915 | Jun. 03, 1884 | D.C. Cumings | Counter-shaft | |
 | 615,883 | Dec. 13, 1898 | A.W. Nelson | Loose Pulley and Means for Attaching Same to Shafts | |
 | 712,273 | Oct. 28, 1902 | H.E. Eberhardt | Shaft-driver | |
 | 1,227,292 | May 22, 1917 | C.B. Mills | Bed-plate | |
| 1,257,549 | Feb. 26, 1918 | W.S. Thomson | Bearing Guide for Grinding Machines | ||