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| Patents for H. J. Swan | |||||
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| Number | Date | Patentee | Title | Type | |
| 212,110 | Feb. 11, 1879 | D. Powers, O. Peck | Improvement in bit-stocks | brace chucks | |
| 1,272,613 | Jul. 16, 1918 | L. Broemel | Machine-stand | tinsmith | |