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| All Patents in class 212/223 | |||||
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| Number | Date | Patentee | Title | Type | |
| 24,912 | Jul. 26, 1859 | J.Y. Parce | Hoisting Crane | cranes | |
| 233,159 | Oct. 12, 1880 | J.B. Mooney | Steamboat-staging | nautical | |
| 259,685 | Jun. 20, 1882 | J.B. Mooney, J.L. Haven | Staging for steamboats | nautical | |