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| All Patents in class 292/256 | |||||
| Number | Date | Patentee | Title | Type | |
| 65,060 | May 28, 1867 | C.T. Crane | Improvement in bench-hook or dog | workbench devices | |
| 602,381 | Apr. 12, 1898 | F.J. Murphy, F. White | Plumber's Clamp | vises | |
| 901,771 | Oct. 20, 1908 | H. Atwater | Sash-fastener | door and window hardware | |