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Cooper, James Maslin

Name Street Town State From To
Cooper, James Maslin 58 Wood Street Pittsburgh Pennsylvania 1841 1864
Cooper, James Maslin   Philadelphia Pennsylvania 1864 1869


Patent Date Remarks
RE 783 July 26, 1859 Improvement in Trigger-Operating Revolving-Breech Fire-Arms
James M. Cooper, Assignee of Stanhope W. Marston. See also RE 1029
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27,526 March 20, 1860 Patent drawing
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RE 1029 August 21, 1860 Improvement in Trigger-Operating Revolving Fire-Arms, James M. Cooper, assignee of Standorp W. Marston
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29,864 September 4, 1860 Patent drawing
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40,021 September 22, 1863 Patent drawing
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45,319 December 6, 1864 Improvement in Cartridges for Revolving Fire-Arms
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Contract for
   


Product
Is reported as Wholesale Hardware in 1841

See also Brettell, Frank and Frisbie, Joseph as he got rights on their patent of 1857.