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| Patents for C. F. Blake | |||||
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| Number | Date | Patentee | Title | Type | |
| 539,031 | May 14, 1895 | W.F. Born | Pipe Wrench | screw adjust wrenches | |
| 1,060,685 | May 06, 1913 | E.K. Jones | Pipe Wrench | pipe wrenches | |
| 1,428,781 | Sep. 12, 1922 | H. Johnson | Micrometer Adapter | measurement gauges | |