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| Patents Granted on 1826-04-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,407X | Apr. 22, 1826 | E. Booth, C. Booth | Vertical saw for making fret work for the backs of chairs | other wood sawing machines | |
| 4,408X | Apr. 22, 1826 | G. Barton, Jr. | Machine for splicing cotton and woollen rolls | ||
| 4,409X | Apr. 22, 1826 | M. Curtis | Varnish for Furniture | furniture finishing compounds | |