| All Patents in class 72/168 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 5,389 | Dec. 11, 1847 | A.W. Whitney | Sheet-Metal Roller Tool | sheet metal |
| 235,878 | Dec. 28, 1880 | W.W. Jones | Machine for making rims for tops of metal vessels | sheet metal flanging machines |
| 642,612 | Feb. 06, 1900 | F.J. Kleber, L.P. Kleber | Machine for Making Articles of Sheet Metal | stamping presses |
| 735,704 | Aug. 11, 1903 | E.G. Budd | Machine for curving pulley-rims | pulley making machines |
| 1,588,817 | Jun. 15, 1926 | H.C. Smith | Bending Machine | sheet metal bending machines |
