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| Patents for R. D. Ingersoll | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 155,819 | Oct. 13, 1874 | W. Weber | Improvement in saw setting and filing devices | |
 | 166,313 | Aug. 03, 1875 | M.O. Smith | Saw Gummer | |
 | 187,773 | Feb. 27, 1877 | J.W. Powers | Monkey-Wrench | |