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Patents for John Henry Johnson | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | GB-186,701,067 | Apr. 10, 1867 | G. Selsor, W. Cook, J.H. Johnson | Hammers | |
![]() | GB-187,000,904 | Mar. 28, 1870 | G.C. Taft, J.H. Johnson | Wrenches |