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| Patents for William R. Seaver | |||||
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| Number | Date | Patentee | Title | Type | |
| XC-291 | Apr. 02, 1850 | W.R. Seaver | Seaver's improved stave dresser | cooper | |
| XC-292 | Apr. 02, 1850 | W.R. Seaver | Seaver's improved stave joiner | cooper | |