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