| All Patents in class 72/404 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 7,756X | Sep. 14, 1833 | W. Field | Upright-spring sledge hammer |
| | 9,266 | Sep. 14, 1852 | G.H. Richards | Forging Machine |
 | 56,602 | Jul. 24, 1866 | H.W. Pell | Improved Dies for Forming the Heads of Wrenches |
| | 68,295 | Aug. 27, 1867 | J. Tandler | Trip Hammer |
 | 144,969 | Nov. 25, 1873 | W. Evans | Machines for Forging Hammers |
 | 156,669 | Nov. 10, 1874 | C.P. Housum | Instruments For Ringing Hogs |
| | 322,930 | Jul. 28, 1885 | H. Hammond | Forging Hammer |
| | 364,259 | Jun. 07, 1887 | G.C. Keene | Machine for Crimping Sheet Metal |
| | 437,029 | Sep. 23, 1890 | S. Harris | Axle Machine |
 | 586,697 | Jul. 20, 1897 | G.B. Sechrist | Fence Stay Fastening Tongs |
