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| Patents for Walter A. Cox | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,518,600 | Aug. 15, 1950 | W.A. Cox | Infeed Attachment for Grinding Machines | ||
| 2,555,223 | May 29, 1951 | W.A. Cox | Wiper Mechanism for a Machine Guideways | ||
| 2,622,614 | Dec. 23, 1952 | W.A. Cox | Rate Valve | ||