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| Patents Granted on 1829-03-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,407X | Mar. 20, 1829 | W. Levally | Common loom by addition of engines to weave figured cloth | looms | |
| 5,408X | Mar. 20, 1829 | J. Throp | Manner of forming the spire or roll of yarn on a weaver's or shuttle bobbin | ||