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| Patents for Melvin F. Colby | |||||
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| Number | Date | Patentee | Title | Type | |
| 603,395 | May 03, 1898 | S.A. Baker, M.F. Colby | Separating oil from metal cuttings | separators | |
| 686,917 | Nov. 19, 1901 | S.A. Baker | Separating oil from metal cuttings | separators | |