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| Patents Granted on 1833-05-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,586X | May 20, 1833 | P.J. Clute | Generating steam for forging malleable iron | stationary boilers | |
| 7,587X | May 20, 1833 | C.W. Cook | Dressing Woollen Cloth, and Cloth Partly of Wool and Partly of Cotton | textile machines | |