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| Patents Granted on 1829-06-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,539X | Jun. 18, 1829 | T. Cohoon | Ascertaining the Weights of Goods, or Other Loading of Boats or Other Water Craft | boat weighing machines | |
| 5,540X | Jun. 18, 1829 | W.C. Phillips | Notes in music | musical notation | |