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| Patents for John A. Elmes | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,431,795 | Dec. 02, 1947 | J.A. Elmes | Grinding apparatus | belt sanders | |
| 2,479,536 | Aug. 16, 1949 | J.A. Elmes | Grinding apparatus of the abrasive belt type | metal sanding machines | |
| 2,609,610 | Sep. 09, 1952 | J.A. Elmes | Gauge for roll crowns | ||