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| Patents for Walter J. McConnell | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,683,253 | Sep. 04, 1928 | W.J. McConnell | Work and Tool Holder | lathe tool holders and tool posts | |
| 1,704,395 | Mar. 05, 1929 | W.J. McConnell | Tool Holder | lathe tool holders and tool posts | |