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| Patents for J. B. Sweetland | |||||
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| Number | Date | Patentee | Title | Type | |
| 61,893 | Feb. 05, 1867 | J.B. Sweetland | Improvement in sawing machines | circular sawmills | |
| 65,517 | Jun. 04, 1867 | J.B. Sweetland | Combined drag saw and circular saw | drag saws | |