All Patents in class 474/171 |
Patents 1 -
10
of 10
      |
Picture | Number | Date | Patentee | Title |
 | 172,910 | Feb. 01, 1876 | E. Brown | Improvement in wheels or pulleys |
 | 174,203 | Feb. 29, 1876 | F.H. Crafts | Pulley |
 | 202,667 | Apr. 23, 1878 | J. Saltar, Jr. | Improvement in loose pulleys |
 | 204,929 | Jun. 18, 1878 | J.J. White | Belt Shifting Pulley |
 | 299,915 | Jun. 03, 1884 | D.C. Cumings | Counter-shaft |
| 307,771 | Nov. 11, 1884 | J.J. Johnson, N. Johnson, E. Johnson | Traction Engine |
 | 341,376 | May 04, 1886 | C. Esplin | Band-saw mill |
 | 355,146 | Dec. 28, 1886 | M. Deering | Power-hammer |
| 812,179 | Feb. 13, 1906 | C.A. Brinley | Wheel |
 | 2,716,350 | Aug. 30, 1955 | R.D. Phares | Slow speed converter motor drive |