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| Patents Granted on 1827-08-03 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,845X | Aug. 03, 1827 | H. Bourne | Improvement in dressing, drilling and cutting stone | stone cutting machines | |
| 4,846X | Aug. 03, 1827 | L. Rice | Improvement called the sack shoulderer | ||