All Patents in class 72/249 |
Patents 1 -
7
of 7
      |
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 |
1,822,697 | Sep. 08, 1931 | P.R. Hahnemann | Sheet-metal working machine | beading machines |
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 |