| All Patents in class 72/447 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 486,784 | Nov. 22, 1892 | A.L. Kern | Machine for Forging Vehicle Clips |
| | 616,488 | Dec. 27, 1898 | A. Southier, W.J. Raiza | Oliver |
| | 625,870 | May 30, 1899 | W.U. Burgett | Foot Power Hammer |
| | 690,320 | Dec. 31, 1901 | D. Robertson | Machine for Hammering or Tapering Piston Rings |
 | 886,394 | May 05, 1908 | G.E. Morris | Beading implement |
 | 1,046,809 | Dec. 10, 1912 | J. Kunz | Mechanical Hammer |
 | 1,277,985 | Sep. 03, 1918 | W. Merrill | Drop Hammer |
| | 1,441,047 | Jan. 02, 1923 | W. Vollmer | Machine for Bending Metal |
| | 1,655,120 | Jan. 03, 1928 | E.W. Zeh | Adjusting apparatus for power presses |
 | 1,954,652 | Apr. 10, 1934 | C.F. Sherman | Power press |
