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| All Patents in class 228/57 | |||||
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| Number | Date | Patentee | Title | Type | |
| 362,789 | May 10, 1887 | W.H. Sawyer | Device for Jeweling Wire Drawing Dies | wire drawing machines | |
| 878,622 | Feb. 11, 1908 | L.J. Ferner | Device for Use in Soldering | tinsmith | |