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| All Patents in class 384/551 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 252,872 | Jan. 31, 1882 | T.R. Ferrall | Anti Frictional Bearing | ||
| 255,724 | Mar. 28, 1882 | C.M. Daboll | Pulley-sheave | ||
| RE10,455 | Mar. 04, 1884 | T.R. Ferrall | Anti Friction Bearing | ||
 | 310,259 | Jan. 06, 1885 | A.P. Daboll | Friction-roller bushing or bearing | |
| 515,178 | Feb. 20, 1894 | W.H. Thompson | Roller Bearing for Wheels | ||