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| All Patents in class 213/221 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,244X | Oct. 25, 1832 | I. Cooper | Carriages for railroads | railroad cars and carriages | |
| 9,071X | Sep. 09, 1835 | C. Davenport | Easing the shock in stopping rail-road cars | ||