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| Patents Granted on 1851-10-07 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,414 | Oct. 07, 1851 | O. Thornley | Machine for Cutting Screws on Posts and Rails of Bedsteads | wood threading machines | |
| 8,416 | Oct. 07, 1851 | S. Lewis | Machine for Cutting Screws on Rails of Bedsteads | wood threading machines | |
| 8,417 | Oct. 07, 1851 | C. Messerano | Locomotive Moved by the Power of Animals | animal powered apparatus | |