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| Patents for Dennis Sumby | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 418,541 | Dec. 31, 1889 | R.B. Stewart | Compound Tool | |
 | 424,359 | Mar. 25, 1890 | L. Bowman, L. Schlesinger | Wrench | |
 | 551,163 | Dec. 10, 1895 | J.G. Hill | Wrench | |
 | 659,570 | Oct. 09, 1900 | A.J. Baxter, H. Brooker | Micrometer or Similar Gage | |