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| Patents for William Sisson | |||||
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| Number | Title | Classification(s) | |||
| 33,370 | Improvement in stave-machines | 144/167 | |||
| 114,359 | Improvement in machines for cutting staves | 144/167 | |||
| 222,085 | Improvement in stave-cutting machines | 144/167 | |||