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| All Patents in class 384/385 | |||||
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| Number | Date | Patentee | Title | Type | |
| 125,388 | Apr. 09, 1872 | J.P. Grosvenor | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms | |
| 313,497 | Mar. 10, 1885 | J.A. Horton | Loose Pulley | industrial machine pulleys and belt drive mechanisms | |
| 558,528 | Apr. 21, 1896 | J.M. Shartle | Lubricator | lubricators | |
| 729,896 | Jun. 02, 1903 | V. Royle | Cutter-head for routing-machines | routing machines | |