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| All Patents in class 72/249 | |||||
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| Number | Date | Patentee | Title | Type | |
| 500,286 | Jun. 27, 1893 | W. Lewis | Bending-roll | metal bending machines | |
| 1,439,341 | Dec. 19, 1922 | H.H. Talbot | Rolling-mill drive | steel maker | |
| 1,514,405 | Nov. 04, 1924 | H.H. Talbot | Variable-speed rolling-mill drive | steel maker | |
| 1,868,341 | Jul. 19, 1932 | A.T. Yates | Bending roll | ||
| 2,336,621 | Dec. 14, 1943 | R.G. Tourneau | Continuous bar mill | steel maker | |
| 2,363,585 | Nov. 28, 1944 | C.E. Grosser, H.A. Bondeson | Rolling mill | rolling mills | |