| All Patents in class 72/188 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 28,157 | May 08, 1860 | A.G. Coes, L. Coes | Rolling The Shanks and Bars of Screw-Wrenches | wrench components |
| 64,447 | May 07, 1867 | T.C. Rice | Improved Apparatus for Rolling Wrench-Bars | wrench handle components |
| 78,984 | Jun. 16, 1868 | W.S. Mackintosh | Axle Roller | metal rolling machines |
| 224,720 | Feb. 17, 1880 | G. Parr | Machine for Rolling Chisels | making chisels |
| 373,613 | Nov. 22, 1887 | F. Schreidt | Machine for Rolling Tops of Carriage Irons | |
| 2,626,453 | Jan. 27, 1953 | W.W. Criley | Method of Making Forged Blanks and Forgings | metal forming |
| 4,893,492 | Jan. 16, 1990 | M.B. Martincic | Roll Forging Machine and Method | forging machines |
