| All Patents in class 474/127 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 247,131 | Sep. 13, 1881 | S. Strunz | Belt Shipper | industrial machine pulleys and belt drive mechanisms |
| 371,480 | Oct. 11, 1887 | F.A. Shoemaker | Belt-shifter | industrial machine pulleys and belt drive mechanisms |
| 551,365 | Dec. 17, 1895 | F.N. Connet | Belt Shifter | industrial machine pulleys and belt drive mechanisms |
| 839,915 | Jan. 01, 1907 | N.H. Anderson | Belt-shifting apparatus | industrial machine pulleys and belt drive mechanisms |
| 1,213,594 | Jan. 23, 1917 | H. Dalton | Grinder counter-shaft | metal lathe accessories and attachments |
| 1,399,388 | Dec. 06, 1921 | E.E. Jones | Belt-shifter | industrial machine pulleys and belt drive mechanisms |
