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| Patents for E. W. Carpenter Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,409,844 | Mar. 14, 1922 | H. Gartelman | Valve Grinding Tool | |
 | 2,483,369 | Sep. 27, 1949 | A. Loucony, H. Eick | Sanding machine | |