| All Patents in class 474/83 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 223,119 | Dec. 30, 1879 | J.S. Detrick | Belt Gearing and Shifting Mechanism for Applying Driving Power with Varying Speed | industrial machine speed and direction changing mechanisms |
| 252,231 | Jan. 10, 1882 | H. Loed | Mechanical Movement | industrial machine speed and direction changing mechanisms |
| 273,329 | Mar. 06, 1883 | E. Weston | Method of Controlling the Electrical Transmission of Power | electric distribution systems |
| 314,666 | Mar. 31, 1885 | W.H. Gray | Feed mechanism for wood-planing machines | woodworking machine stockfeeding mechanisms |
| 495,296 | Apr. 11, 1893 | J.W. Boynton | Speed Regulating Device for Lathes | metalworking speed changing mechanisms |
| 661,018 | Oct. 30, 1900 | B.G. Luther | Belt shifter and tightener | metalworking power transmission |
| 772,477 | Oct. 18, 1904 | J. Johnston, J.C. Potter | Turret-lathe | turret lathes |
