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| All Patents in class 72/172 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 235,878 | Dec. 28, 1880 | W.W. Jones | Machine for making rims for tops of metal vessels | |
| 347,299 | Aug. 10, 1886 | E.M. Jewett | Box-forming machine | ||
 | 522,487 | Jul. 03, 1894 | T. Schramm, J. Pleukharp | Machine for flaring and bending hoops | |
| 642,612 | Feb. 06, 1900 | F.J. Kleber, L.P. Kleber | Machine for Making Articles of Sheet Metal | ||
| 1,588,817 | Jun. 15, 1926 | H.C. Smith | Bending Machine | ||
| 2,450,041 | Sep. 28, 1948 | A.L. Groves | Sheet Metal Rolling Machine | ||