| All Patents in class 72/451 |
Patents 1 -
10
of 24
      |
| Picture | Number | Date | Patentee | Title |
 | 38,767 | Jun. 02, 1863 | M.H. Stein | Improved press for forming dies |
| | 54,560 | May 08, 1866 | E.L. Kinsley | Steam Hammer |
 | 78,105 | May 19, 1868 | M. Bray, N.C. Lombard | Improved machine for forming sheet-metal ware |
| | 170,868 | Dec. 07, 1875 | C. Lusted | Drop-Hammer |
 | 252,853 | Jan. 24, 1882 | A.R. Woodyatt | Machine for bending and shaping metal articles |
| | 335,976 | Feb. 09, 1886 | A. Thomson | Riveting Hammer |
 | 357,255 | Feb. 08, 1887 | E. Welsh, A. Welsh | Oliver |
 | 379,818 | Mar. 20, 1888 | C.J. Rundquist | Foot-power hammer |
 | 477,559 | Jun. 21, 1892 | W.H. Law | Power Hammer |
| | 507,239 | Oct. 24, 1893 | C.H. Norton | Riveting Machine |
