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| Patents Granted on 1850-07-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,523 | Jul. 30, 1850 | A. Everett | Machinery for turning out wooden bowls | wood lathes | |
| 7,529 | Jul. 30, 1850 | G.B. Milner | Steam Engine Valve Gear | steam engine valve gear | |
| 7,535 | Jul. 30, 1850 | E.S. Scripture | Attaching Hubs to Axles | wheelwright | |
| 7,536 | Jul. 30, 1850 | P. Boon, C.A. Spring | Arrangement of pressure and feed rollers in planing-machines | wood planers | |