| All Patents in class 72/433 |
Patents 16 -
30
of 52
      |
| Number | Date | Patentee | Title | Type |
| 423,048 | Mar. 11, 1890 | E.A. Harvey | Machine for Planishing Metal | embossing and knurling machines |
| 429,334 | Jun. 03, 1890 | W.C. Bray, G. Van Horne | Rivet Setting Machine | riveting machines |
| 437,972 | Oct. 07, 1890 | O.A. Busard | Foot Power Hammer | foot operated hammers |
| 459,092 | Sep. 08, 1891 | C.A. Vaughn | Power-hammer | power hammers |
| 514,787 | Feb. 13, 1894 | W. Laird, J.B. Sweeney | Power Hammer | power hammers |
| 526,370 | Sep. 25, 1894 | A. Beaudry | Power Hammer | power hammers |
| 529,634 | Nov. 20, 1894 | R.W. Laird, J.B. Sweeney | Power Hammer | power hammers |
| 550,581 | Dec. 03, 1895 | W.H. Botting | Power Hammer | power hammers |
| 580,629 | Apr. 13, 1897 | H. Vigneault | Power Hammer | power hammers |
| 610,745 | Sep. 13, 1898 | P. Holmberg | Adjusting Arrangement for Spring Power Hammers, &c. | power hammers |
| 616,488 | Dec. 27, 1898 | A. Southier, W.J. Raiza | Oliver | trip and helve hammers |
| 639,538 | Dec. 19, 1899 | H.G. Dittbenner | Power-hammer | drop hammers |
| 647,525 | Apr. 17, 1900 | C. Rothenberger | Trip Hammer | trip and helve hammers |
| 686,275 | Nov. 12, 1901 | M. Erickson | Power Hammer | power hammers |
| 703,737 | Jul. 01, 1902 | J.B. McLane | Power-hammer | drop hammers |
