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| Patents for Leander W. Boynton | |||||
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| Number | Date | Patentee | Title | Type | |
| 53,107 | Mar. 13, 1866 | L.W. Boynton | Improvement in machines for making skewers | specialty woodworking machines | |
| 53,108 | Mar. 13, 1866 | L.W. Boynton | Improvement in machines for pointing skewers | stick pointing machines | |
| 133,403 | Nov. 26, 1872 | L.W. Boynton | Improvement in lathes for turning spools | spool or bobbin machines | |