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| Patents for E. Cobb | |||||
| Number | Date | Patentee | Title | Type | |
| 75,060 | Mar. 03, 1868 | T. Shaw | Lathe Tool | lathe tools | |
| 77,111 | Apr. 21, 1868 | T. Shaw | Improved Mode of Surfacing Sheet Iron and Metal Plated | tool making machines | |