| All Patents in class 74/25 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 65,981 | Jun. 18, 1867 | A.B. Wood | Mechanical Power |
 | 129,226 | Jul. 16, 1872 | J.H. Hincke | Improvement in sawing-machines |
 | 228,324 | Jun. 01, 1880 | C.G. Cross | Drop-hammer lifter |
 | 233,640 | Oct. 26, 1880 | G.W. Pressey | Velocipede |
 | 401,566 | Apr. 16, 1889 | F.M. Leavitt | Drop-hammer |
| | 409,836 | Aug. 27, 1889 | E. Hammesfahr | Drop Hammer |
 | 477,159 | Jun. 14, 1892 | R.B. Laird, J.B. Sweeney | Power Hammer |
 | 511,049 | Dec. 19, 1893 | G.S. Junginger, A. Hormel | Electric-arc lamp |
| | 632,265 | Sep. 05, 1899 | J. Horton | Drop Hammer |
| | 734,799 | Jul. 28, 1903 | J.S. Bancroft | Tool Grinding Machine |
