All Patents in class 72/420 |
Patents 1 -
12
of 12
|
Number | Date | Patentee | Title | Type |
10,332 | Dec. 20, 1853 | J. Baxendale | Stamping Patterns on Rollers | metal engraving machines |
13,434 | Aug. 14, 1855 | D. Noyes | Oliver | |
225,829 | Mar. 23, 1880 | E. Tolman, J. Hewitson | Machine for Ornamenting Metal Surfaces | embossing and knurling machines |
403,736 | May 21, 1889 | W.G. Case | Machine for Beating and Polishing Sheet Metal Tubing | sheet metal |
525,003 | Aug. 28, 1894 | E. Hodgson, W. Copley | Straightening Machine for Shafting | metal straightening machines |
774,154 | Nov. 08, 1904 | E.G. Budd | Hydraulic press | wheel making machines |
1,113,442 | Oct. 13, 1914 | L.A. Irvin | Punching and Riveting Machine | metal punching machines |
1,838,470 | Dec. 29, 1931 | F.J. Vlchek | Manufacture of Swaged and Tempered Articles | metalworking machines |
2,214,881 | Sep. 17, 1940 | H.A. Doherty | Combination Straightening Block and Test Roll | metal straightening machines |
2,765,836 | Oct. 09, 1956 | F.J. Niekelski | Straightening Press | metal straightening machines |
3,412,595 | Nov. 26, 1968 | A.R. Kull | Stock Transfer Mechanism | workpiece changers and storage mechanisms |
4,879,894 | Nov. 14, 1989 | J.K. Forlow, R.J. Benedict | Press with Movable Workpiece Support Carrier | punch presses |