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| Patents for Frank B. Murphy | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 381,968 | May 01, 1888 | N. Tesla | Electro-magnetic motor | |
![]() | 381,969 | May 01, 1888 | N. Tesla | Electro-magnetic motor | |
![]() | 455,067 | Jun. 30, 1891 | N. Tesla | Electro-magnetic motor | |
![]() | 1,151,678 | Aug. 31, 1915 | C.E. Gee | Mechanical movement | |