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Patents for John F. Randolph | |||||
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Picture | Number | Date | Patentee | Title | |
1,494X | Apr. 25, 1811 | J.F. Randolph | Floating machine for supplying ships with fresh water | ||
479,167 | Jul. 19, 1892 | A.E. Kennelly | Electro-magnetic machine | ||
![]() | 479,169 | Jul. 19, 1892 | J.F. Ott, A.E. Kennelly | Electro-magnetic machine |