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| All Patents in class 72/284 | |||||
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| Number | Date | Patentee | Title | Type | |
| 441,927 | Dec. 02, 1890 | T.J. Bray | Machine for Cold Drawing Metallic Pipe | pipe making machines | |
| 3,260,084 | Jul. 12, 1966 | L.D. Mersek | Apparatus for Drawing Linear Stock | wire drawing machines | |
| 3,260,085 | Jul. 12, 1966 | L.D. Mersek | Wire Drawing Apparatus | wire drawing machines | |