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Patents for Jacob R. Foster | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 149,326 | Apr. 07, 1874 | J.R. Foster, G. Morgan | Machine for making pins for plugging hull wormholes | |
![]() | 149,327 | Apr. 07, 1874 | J.R. Foster, G. Morgan | Improvement in machines for making wedges | |
![]() | RE6,682 | Oct. 05, 1875 | G. Morgan, J.R. Foster | Improvement in machines for making wedges |