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| Patents Granted on 1842-08-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,753 | Aug. 18, 1842 | A. Perry, A.M. Bouton | Mode of Changing Reciprocating into Rotary Motion for Steam Engines and Other Purposes | steam engines | |
| 2,754 | Aug. 18, 1842 | C. Whipple | Machine for Making Wood Screws | screw machines | |