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| Patents for Dumore Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,859,068 | May 17, 1932 | C.H. Beach | Electric Grinder | |
| 2,188,251 | Jan. 23, 1940 | J.H. Nelson | Preload adjustment for ball bearings | ||
 | 2,449,764 | Sep. 21, 1948 | G.G. Bluemink | Brush holder | |
 | 2,868,090 | Jan. 13, 1959 | D.S. McCullough | Attachment for Internal Keyway Cutting and Slotting | |