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| Patents for Friedrich Eichberg | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,016,865 | Feb. 06, 1912 | G. Winter, F. Eichberg | Alternating-current dynamo-electric machine | electric motors | |
| 1,016,866 | Feb. 06, 1912 | G. Winter, F. Eichberg | Alternating-current dynamo-electric apparatus | electric motors | |
| 1,073,201 | Sep. 16, 1913 | G. Winter, F. Eichberg | Dynamo-electric machine | electric motors | |
| 1,073,311 | Sep. 16, 1913 | G. Winter, F. Eichberg | Dynamo-electric machine | electric motors | |