| All Patents in class 72/447 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 486,784 | Nov. 22, 1892 | A.L. Kern | Machine for Forging Vehicle Clips | power hammers |
| 616,488 | Dec. 27, 1898 | A. Southier, W.J. Raiza | Oliver | trip and helve hammers |
| 625,870 | May 30, 1899 | W.U. Burgett | Foot Power Hammer | foot operated hammers |
| 690,320 | Dec. 31, 1901 | D. Robertson | Machine for Hammering or Tapering Piston Rings | metal swaging machines |
| 886,394 | May 05, 1908 | G.E. Morris | Beading implement | beading machines |
| 1,046,809 | Dec. 10, 1912 | J. Kunz | Mechanical Hammer | power hammers |
| 1,277,985 | Sep. 03, 1918 | W. Merrill | Drop Hammer | drop hammers |
| 1,441,047 | Jan. 02, 1923 | W. Vollmer | Machine for Bending Metal | metal bending machines |
| 1,655,120 | Jan. 03, 1928 | E.W. Zeh | Adjusting apparatus for power presses | metalworking presses |
| 1,954,652 | Apr. 10, 1934 | C.F. Sherman | Power press | |
| 3,763,690 | Oct. 09, 1973 | R.J. Heitner, J.A. Kirincic | Press brake ram leveling | sheet metal brakes |
| 4,794,783 | Jan. 03, 1989 | L.F. Eck | Vehicle repair and alignment rack | vehicle body and frame repairer |
| 5,287,722 | Feb. 22, 1994 | L.F. Eck | Pull tower for correcting vehicle damage | vehicle body and frame repairer |
