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| All Patents in class 105/51 | |||||
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| Number | Date | Patentee | Title | Type | |
| 408,232 | Aug. 06, 1889 | W.W. Griscom | Means for Propelling Vehicles by Secondary Batteries | electric railroads | |
| 565,407 | Aug. 04, 1896 | R. Eickemeyer | Electric Locomotive | ||