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| All Patents in class 212/96 | |||||
| Number | Date | Patentee | Title | Type | |
| 729,292 | May 26, 1903 | J.H. Dickinson | Hoisting and conveying apparatus | hoists, winches, come-alongs | |
| 806,117 | Dec. 05, 1905 | J.H. Dickinson | Hoisting and conveying device | hoists, winches, come-alongs | |
| 878,482 | Feb. 04, 1908 | J.H. Dickinson, T.S. Miller | Hoisting and conveying device | hoists, winches, come-alongs | |