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| Patents Granted on 1842-09-17 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,774 | Sep. 17, 1842 | D.V. Thomas | Mode of setting foot-blocks of sawmills by the motion of the carriage | sawmill tailblocks | |
| 2,779 | Sep. 17, 1842 | H. Rodgers | Liquor-pump | pumps | |
| 2,782 | Sep. 17, 1842 | A.H. Hard | Machine for cutting shingles | shingle machines | |