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| Patents for William Butler | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 7,601X | May 31, 1833 | W. Butler, E.B. Rice | Method of casting boxes for wheels of carriages | |
 | 9,294 | Oct. 05, 1852 | W. Butler | Vise | |
 | 162,505 | Apr. 27, 1875 | A. Stroh | Improvement in machines for rounding the corners of slate-frames | |