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