| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 474/129 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 313,035 | Feb. 24, 1885 | W.G. Vernon | Belt-shifter | bandsaws | |
| 371,480 | Oct. 11, 1887 | F.A. Shoemaker | Belt-shifter | industrial machine pulleys and belt drive mechanisms | |
| 964,051 | Jul. 12, 1910 | H.A. Perkins | Belt shifter and tightener | woodworking power transmission | |
| 2,499,273 | Feb. 28, 1950 | M. Leach | Belt shifter | belt shifters | |