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| Patents for Lund Washington | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,902 | Nov. 27, 1849 | S. Hughes, C. Learned | Improvement in machinery for dressing flour | ||
| 7,229 | Apr. 02, 1850 | H. Aiken | Clamp | ||
| 7,264 | Apr. 09, 1850 | S. Lewis | Machine for cutting screws on the rails of bedsteads | wood threading machines | |