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| Patents for Richard E. Conover | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,993,830 | Mar. 12, 1935 | R.E. Conover | Grinding Machine | grinding machines | |
| 2,081,738 | May 25, 1937 | R.E. Conover | Sizing Device | grinding machines | |