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| All Patents in class 19/48R | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,496X | Mar. 21, 1833 | W. Whittemore, W. Whittemore, Jr. | Separating cotton seed by a roller gin | cotton gins | |
| 2,737,685 | Mar. 13, 1956 | L.D. Fitler | Self-sealing telescopic splice-box | wire insulating machines | |
| 8,356,389 | Jan. 22, 2013 | R.J. Nimmo | Cotton Gin and Cotton Drying | cotton gins | |