| All Patents in class 384/289 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 73,459 | Jan. 21, 1868 | L.H. Olmsted | Improvement in lubricating bearings for machinery | industrial machine lubrication |
| 370,527 | Sep. 27, 1887 | J.L. Bogert | Lubricating loose pulleys | industrial machine pulleys and belt drive mechanisms |
| 429,507 | Jun. 03, 1890 | C.M. Conradson | Pulley | industrial machine pulleys and belt drive mechanisms |
| 444,812 | Jan. 20, 1891 | W.W. Carey | Self-lubricating device for pulleys | industrial machine pulleys and belt drive mechanisms |
| 496,919 | May 09, 1893 | H.R. Tillison | Loose pulley | industrial machine pulleys and belt drive mechanisms |
