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All Patents in class 138/130 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 571,869 | Nov. 24, 1896 | N. Stow | Flexible shaft | |
![]() | 1,022,943 | Apr. 09, 1912 | A.P. Hinsky | Conduit | |
![]() | 1,284,956 | Nov. 12, 1918 | G.W. Emrick | Flexible conduit |