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| Patents for Gustav Dieterich | |||||
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| Number | Date | Patentee | Title | Type | |
| 426,992 | Apr. 29, 1890 | M.M. Garver | Electrical Measuring Instrument | electric meters | |
| 427,022 | Apr. 29, 1890 | E. Weston | Electrical Measuring Instrument | electric meters | |