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| Patents for Joseph Edgecomb | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 34,137 | Jan. 14, 1862 | J. Edgecomb | Improvement in boring-machines | |
 | 43,364 | Jun. 28, 1864 | J. Edgecomb | Improvement in boring-machines | |
 | 219,808 | Sep. 23, 1879 | J. Edgecomb | Improvement in Auger-Handles | |