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| Patents for James Frost | |||||
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| Number | Date | Patentee | Title | Type | |
| 22,264 | Dec. 07, 1858 | J. First | Improvement in sewing-machines | ||
| 29,035 | Jul. 03, 1860 | J. First | Improvement in sewing-machines | sewing machines | |
| 30,138 | Sep. 25, 1860 | G. Frost | Cut-off valve for steam-engines | steam check valves | |