Name | Street | Town | State | From | To |
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Colvin, Robert J. Jr. |   | Lancaster | Pennsylvania | 1860s |   |
Patent | Date | Remarks |
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34,740 | March 25, 1862 | Patent drawing |
Contract | for |
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  |   |
Product |
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His patent covered the combination of a revolver with a sword or a saber. Was there any relatioship to Colvin, Robert K. ? b |