Name | Street | Town | State | From | To |
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Johnston, J. H. (Great Western Gun Works) |
621 Smithfield | Pittsburgh | Pennsylvania | 1886 |   |
Patent | Date | Remarks |
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  |   |   |
Contract | for |
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  |   |
Product |
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J.F. Diffenbacher's Directory of Pittsburgh and Allegheny Cities of 1886 Kentucky rifles with barrels marked J. Johnston are known Probably J.H. Johnson is a variation of his name |